Jahr Year | Titel/Autor:in Title/Author | Publikationstyp Publication Type |
2024 |
Strahlungsquelle und Verfahren zum Erzeugen elektromagnetischer Strahlung mit einer Mehrzahl von Frequenzen
Kießling, Jens; Schubert, Maik-Hendrik; Wenderoth, Marius Horst Jürgen; Hens, Korbinian |
Patent
|
2024 |
Mid infrared optical parametric oscillation and comb generation in whispering gallery resonators
Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2024 |
Generation of mid-infrared microresonator frequency combs based on parametric down-conversion
Amiune, Nicolás |
Dissertation Doctoral Thesis
|
2024 |
Voltage-Sensorless Control and GaN Multilevel Converter for Charging Non-Linear and Lossy Electrocaloric Capacitors
Mönch, Stefan; Reiner, Richard; Basler, Michael; Waltereit, Patrick; Quay, Rüdiger; Bartholome, Kilian |
Konferenzbeitrag Conference Paper
|
2024 |
Adiabatic frequency conversion in a lithium niobate microresonator for FMCW-LiDAR
Mrokon, Alexander; Oehler, Johanna; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2024 |
Hochpräzise Wellenlängenmessinstrumente für das mittlere Infrarot durch nichtlinear-optische Hochkonversion in Wellenleitern. E! 114926 NeW-VIEUW. Schlussbericht
Wolf, Sebastian; Kühnemann, Frank |
Bericht Report
|
2023 |
High-sensitivity quantum sensing with pump-enhanced spontaneous parametric down-conversion
Lindner, Chiara; Kunz, Jachin; Herr, Simon; Kießling, Jens; Wolf, Sebastian; Kühnemann, Frank |
Zeitschriftenaufsatz Journal Article
|
2023 |
Potassium Tantalate-Niobate for Electro-Optically Driven Adiabatic Frequency Conversion
Mrokon, Alexander; Kirste, Lutz; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2023 |
Fanout periodic poling of BaMgF4 crystals
Herr, Simon; Tanaka, Hiroki; Breunig, Ingo; Bickermann, Matthias; Kühnemann, Frank |
Zeitschriftenaufsatz Journal Article
|
2023 |
Pump Tuning of a Microresonator Mid-Infrared χ(2) OPO and Microcomb Generation at 3.1 μm with CdSiP2
Amiune, Nicolas; Zawilski, Kevin; Schunemann, Peter; Kordts, Arne; Holzwarth, Ronald; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2023 |
Fourier-Transform Mid-Infrared Spectroscopy Using Nonlinear Interferometers
Kunz, Jachin; Lindner, Chiara; Herr, Simon; Wolf, Sebastian; Kießling, Jens; Kühnemann, Frank |
Konferenzbeitrag Conference Paper
|
2022 |
Multiwavelength digital holography with meter scale synthetic wavelengths at micrometer precision
Seyler, Tobias; Kießling, Jens; Bertz, Alexander; Schiller, Annelie; Stevanovic, Jonas; Fratz, Markus; Carl, Daniel |
Konferenzbeitrag Conference Paper
|
2022 |
Dual backgrounds and their stability during frequency comb and second harmonic generation in CH(2) microresonators
Sturman, Boris; Podivilov, Evgeniy; Szabados, Jan; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2022 |
Nonlinear interferometers based on spontaneous parametric down-conversion for Fourier-transform mid-infrared spectroscopy
Lindner, Chiara |
Dissertation Doctoral Thesis
|
2022 |
Adiabatic frequency conversion in microresonators for multi-wavelength holography
Breunig, Ingo; Minet, Yannick; Seyler, Tobias; Bertz, Alexander; Holl, Peter; Basler, Michael; Zappe, Hans; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2022 |
Widely tunable CW optical parametric oscillators for optical characterization of quantum systems
Waasem, Niklas; Ngo, Jetinny; Zeman, Milan; Kießling, Jens; Kühnemann, Frank; Hens, Korbinian |
Vortrag Presentation
|
2022 |
Pump tuning of a mid-infrared whispering gallery optical parametric oscillator
Amiune, Nicolas; Zawilski, Kevin; Schunemann, Peter; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2022 |
Accurate, high-resolution dispersive Fourier-transform spectroscopy with undetected photons
Lindner, Chiara; Kunz, Jachin; Herr, Simon J.; Kießling, Jens; Wolf, Sebastian; Kühnemann, Frank |
Zeitschriftenaufsatz Journal Article
|
2022 |
CH(2) frequency comb generation based on optical parametric oscillation in a lithium niobate microresonator
Amiune, Nicolás; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2021 |
Nonlinear interferometers for Fourier-transform infrared spectroscopy with visible light
Lindner, Chiara; Kunz, Jachin; Wolf, Sebastian; Kießling, Jens; Kühnemann, Frank |
Konferenzbeitrag Conference Paper
|
2021 |
Frequency comb generation based on optical parametric oscillation with second-order nonlinear materials
Amiune, Nicolás; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2021 |
A dual-comb spectrometer for trace gas analysis in the mid-infrared
Nitzsche, Leonard; Goldschmidt, Jens; Kießling, Jens; Wolf, Sebastian; Kühnemann, Frank; Wöllenstein, Jürgen |
Konferenzbeitrag Conference Paper
|
2021 |
Optical-parametric-oscillation-based CH(2) frequency comb in a lithium niobate microresonator
Amiune, Nicolás; Puzyrev, Danila N.; Pankratov, Vladislav V.; Skryabin, Dmitry V.; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2021 |
High-Power CW Optical Parametric Oscillator Design for gap-free Wavelength Tuning across the Visible
Hens, Korbinian; Sperling, Jaroslaw; Schubert, Maik; Kießling, Jens |
Konferenzbeitrag Conference Paper
|
2021 |
Advances in Pockels-effect-based adiabatic frequency conversion in lithium niobate high-Q optical microresonators
Minet, Yannick; Basler, Michael; Zappe, Hans; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2021 |
Method and device for non-linear spectroscopy of a sample
Lindner, Chiara; Wolf, Sebastian; Kühnemann, Frank; Kießling, Jens |
Patent
|
2021 |
Electro-Optic Control of Lithium Niobate Bulk Whispering Gallery Resonators: Analysis of the Distribution of Externally Applied Electric Fields
Minet, Yannick; Zappe, Hans; Breunig, Ingo; Buse, Karsten |
Zeitschriftenaufsatz Journal Article
|
2021 |
From optical parametric oscillation to frequency-comb generation in whispering gallery resonators made of CdSiP2
Amiune, Nicolas; Zawilski, Kevin T.; Schunemann, Peter G.; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2021 |
A Mid-Infrared Dual Comb Spectrometer for the Determination of Stable Isotope Ratios of Carbon Dioxide
Goldschmidt, Jens; Nitzsche, Leonard; Kießling, Jens; Kühnemann, Frank; Wöllenstein, Jürgen |
Konferenzbeitrag Conference Paper
|
2021 |
Soliton based CH(2) combs in high-Q optical microresonators
Smirnov, Sergey; Andryushkov, Valeriy; Podivilov, Evgeniy; Sturman, Boris; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2020 |
Nonlinear interferometers for broadband mid-infrared spectroscopy
Lindner, Chiara; Wolf, Sebastian; Kießling, Jens; Kühnemann, Frank |
Konferenzbeitrag Conference Paper
|
2020 |
Pockels-effect-based adiabatic frequency conversion in ultrahigh-Q microresonators
Minet, Yannick; Reis, Luis; Szabados, Jan; Werner, Christoph S.; Zappe, Hans; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2020 |
Electro-optic based adiabatic frequency conversion in a non-centrosymmetric microresonator
Minet, Yannick; Breunig, Ingo; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2020 |
Juggling with light: Powerful second-order nonlinear optical effects in whispering gallery resonators
Breunig, Ingo; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2020 |
Fourier transform infrared spectroscopy with visible light
Lindner, Chiara; Wolf, Sebastian; Kießling, Jens; Kühnemann, Frank |
Zeitschriftenaufsatz Journal Article
|
2019 |
Femtosecond-Driven Up-Conversion in a Radially Poled LiNbO3 Microresonator
Roiz, Mikhail; Werner, Christoph S.; Breunig, Ingo; Vaini, Markku |
Konferenzbeitrag Conference Paper
|
2019 |
Dynamic Range of an Upconversion Detection Module for MWIR Laser Spectroscopy
Wolf, Sebastian; Reiser, Patrick; Kießling, Jens; Kühnemann, Frank |
Konferenzbeitrag Conference Paper
|
2019 |
Adiabatic Frequency Conversion in Non-Centrosymmetric High-Q Optical Microresonators
Minet, Yannick; Reis, Luis; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2019 |
Laseraktivität und selbst-gepumpte Frequenzkonversion in optischen Mikroresonatoren
Herr, Simon J. |
Dissertation Doctoral Thesis
|
2019 |
Stabilisierung und Durchstimmung nichtlinear-optischer Prozesse in Lithiumniobat-Flüstergalerieresonatoren
Werner, Christoph |
Dissertation Doctoral Thesis
|
2019 |
Whispering gallery optical parametric oscillators: Just a scientific oddity?
Breunig, Ingo; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2019 |
Quasi-phase matching in integrated lithium-niobate whispering galleries
Breunig, Ingo; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2019 |
Characterization of Broadband Spontaneous Parametric Down-Conversion in Periodically Poled Materials
Lindner, Chiara; Wolf, Sebastian; Kießling, Jens; Kühnemann, Frank |
Konferenzbeitrag Conference Paper
|
2019 |
High repetition rate frequency comb up- and down-conversion in synchronously driven microresonators
Szabados, Jan; Brasch, Victor; Herr, Simon J.; Obrzud, Ewelina; Jia, Yuechen; Lecomte, Steve; Buse, Karsten; Breunig, Ingo; Herr, Tobias |
Konferenzbeitrag Conference Paper
|
2019 |
Radially-Poled Stoichiometric Lithium Tantalate Microresonators for Nonlinear-Optical Applications
Uluda, Macit; Szabados, Jan; Breunig, Ingo; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2019 |
Frequency combs in a microring optical parametric oscillator
Villois, Alberto; Kondratiev, Nikita M.; Breunig, Ingo; Puzyrev, Danila N.; Skryabin, Dmitry V. |
Zeitschriftenaufsatz Journal Article
|
2018 |
Continuous-wave whispering-gallery optical parametric oscillator based on CdSiP2
Jia, Yuechen; Hanka, Kevin; Zawilski, Kevin T.; Schunemann, Peter G.; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2018 |
Frequency comb up- and down-conversion in synchronously driven CH(2) optical microresonators
Herr, Simon J.; Brasch, Victor; Szabados, Jan; Obrzud, Ewelina; Jia, Yuechen; Lecomte, Steve; Buse, Karsten; Breunig, Ingo; Herr, Tobias |
Zeitschriftenaufsatz Journal Article
|
2018 |
Infrarotspektroskopie mittels nichtlinear-optischer Hochkonversion
Wolf, Sebastian |
Dissertation Doctoral Thesis
|
2018 |
Whispering gallery optical parametric oscillators for the mid-infrared spectral range
Breunig, Ingo; Hanka, Kevin; Jia, Yuechen; Zawilski, Kevin T.; Schunemann, Peter G.; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2018 |
Incoherently pumped lasing and self-pumped three-wave mixing in laser-active whispering-gallery resonators
Herr, Simon J.; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2018 |
Quasi-phase-matched self-pumped optical parametric oscillation in a micro-resonator
Herr, Simon J.; Werner, Christoph S.; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2018 |
Quasi-phase-matched nonlinear optical frequency conversion in on-chip whispering galleries
Wolf, Richard; Jia, Yuechen; Bonaus, Sebastian; Werner, Christoph S.; Herr, Simon J.; Breunig, Ingo; Buse, Karsten; Zappe, Hans |
Zeitschriftenaufsatz Journal Article
|
2018 |
Frequenzkonversion mittels chipintegrierter Flüstergalerieresonatoren aus Lithiumniobat
Wolf, Richard |
Dissertation Doctoral Thesis
|
2017 |
Measuring residual absorption in highly transparent optical materials using tunable sources. On calibration, spectroscopy and cross-validation
Kühnemann, Frank; Leidinger, Markus; Kießling, Jens; Breunig, Ingo; Fieberg, Stephan; Waasem, Niklas; Buse, Karsten |
Poster
|
2017 |
Piezo-tunable second-harmonic-generation in a whispering-gallery resonator
Werner, Christoph S.; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2017 |
Vorrichtung und Verfahren zur nichtlinearen Frequenzkonversion elektromagnetischer Strahlung
Kießling, Jens; Leidinger, Markus; Kühnemann, Frank |
Patent
|
2017 |
Continuous-wave optical parametric oscillation tunable up to an 8 mm wavelength
Meisenheimer, Sarah-Katharina; Fürst, Josef U.; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2017 |
Whispering gallery optical parametric oscillators become mature
Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2017 |
Geometric tuning. Spectroscopy using whispering-gallery resonator frequency-synthesizers
Werner, Christoph S.; Yoshiki, Wataru; Herr, Simon J.; Breunig, Ingo; Buse, Karsten |
Zeitschriftenaufsatz Journal Article
|
2017 |
Upconversion-enabled array spectrometer for the mid-infrared, featuring kilohertz spectra acquisition rates
Wolf, Sebastian; Kießling, Jens; Kunz, Michael; Popko, Gregor; Buse, Karsten; Kühnemann, Frank |
Zeitschriftenaufsatz Journal Article
|
2017 |
Self-frequency doubling in a laser-active whispering-gallery resonator
Herr, Simon J.; Folwill, Yannick; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2017 |
Continuous-wave optical parametric oscillation tunable up to 8 mm wavelength
Breunig, Ingo; Fürst, Josef U.; Hanka, Kevin; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2017 |
Frequenzverdoppler sowie Verfahren zum Erzeugen elektromagnetischer Strahlung
Kießling, Jens; Kühnemann, Frank; Leidinger, Markus |
Patent
|
2017 |
Self-gated mid-infrared short pulse upconversion detection for gas sensing
Wolf, Sebastian; Trendle, Tobias; Kießling, Jens; Herbst, Johannes; Buse, Karsten; Kühnemann, Frank |
Zeitschriftenaufsatz Journal Article
|
2017 |
Potassium tantalate-niobate mixed crystal thin films for applications in nonlinear integrated optics
Jia, Yuechen; Winkler, Markus; Szabados, Jan; Breunig, Ingo; Kirste, Lutz; Cimalla, Volker; Zukauskaite, Agne; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2017 |
Q-factor enhancement of integrated lithium-niobate-on-insulator ridge waveguide whispering-gallery-mode resonators by surface polishing
Wolf, Richard; Breunig, Ingo; Zappe, Hans; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2017 |
Sensitive infrared detection through efficient pulsed upconversion for remote sensing applications
Wolf, Sebastian; Trendle, Tobias; Kießling, Jens; Kühnemann, Frank |
Konferenzbeitrag Conference Paper
|
2017 |
Laser-active whispering-gallery resonators as versatile platform for optical three-wave mixing
Herr, Simon J.; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2017 |
Batch-processed high-Q integrated lithium-niobate-on-insulator ridge waveguide whispering-gallery resonators
Wolf, Richard; Zappe, Hans; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2016 |
Pseudo-type-II tuning behavior and mode identification in whispering gallery optical parametric oscillators
Meisenheimer, Sarah-Katharina; Fürst, Josef U.; Schiller, Annelie; Holderied, Florian; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2016 |
Vorrichtung und Verfahren zum Erzeugen elektromagnetischer Strahlung
Kießling, Jens; Kühnemann, Frank; Breunig, Ingo |
Patent
|
2016 |
Broadband wavelength control for optical parametric oscillation in radially-poled whispering gallery resonators
Meisenheimer, Sarah-Katharina; Fürst, Josef U.; Schiller, Annelie; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2016 |
Whispering gallery resonators with broken axial symmetry
Fürst, Josef U.; Sturman, Boris; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2015 |
Whispering gallery resonator from lithium tetraborate for nonlinear optics
Fürst, J.U.; Buse, K.; Breunig, I.; Becker, P.; Liebertz, J.; Bohatý, L. |
Konferenzbeitrag Conference Paper
|
2015 |
Stabilization of a whispering-gallery optical-parametric oscillator: Mode-hop-free tuning and true continuous-wave operation
Werner, Christoph S.; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2015 |
Continuous-wave whispering-gallery optical parametric oscillator for high-resolution spectroscopy
Werner, C.S.; Buse, K.; Breunig, I. |
Zeitschriftenaufsatz Journal Article
|
2015 |
Verfahren und Vorrichtung zur Frequenzkonversion und Verwendung eines optisch-parametrischen Kristalls
Kießling, Jens; Breunig, Ingo; Kühnemann, Frank |
Patent
|
2015 |
Wavelength tuning of optical parametric oscillation in whispering gallery resonators for infrared spectroscopy
Meisenheimer, Sarah-Katharina; Fürst, Josef U.; Buse, Karsten; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2015 |
Hybrid assembled micro scanner array with large aperture and their system integration for a 3D ToF laser camera
Sandner, T.; Baulig, C.; Grasshoff, T.; Wildenhain, M.; Schwarzenberg, M.; Dahlmann, H.-G.; Schwarzer, S. |
Konferenzbeitrag Conference Paper
|
2015 |
Lithium niobate: Wavelength and temperature dependence of the thermo-optic coefficient in the visible and near infrared
Fieberg, S.; Streit, L.; Kießling, J.; Becker, P.; Bohatý, L.; Kühnemann, F.; Buse, K. |
Konferenzbeitrag Conference Paper
|
2015 |
Broadband infrared spectroscopy using optical parametric oscillation in a radially-poled whispering gallery resonator
Meisenheimer, S.K.; Fürst, J.U.; Werner, C.S.; Beckmann, T.; Buse, K.; Breunig, I. |
Zeitschriftenaufsatz Journal Article
|
2014 |
Analyse thermooptischer Effekte zur Absorptionsmessung
Fieberg, Stephan |
Dissertation Doctoral Thesis
|
2014 |
Non-Lorentzian pump resonances in whispering gallery optical parametric oscillators
Breunig, Ingo; Bückle, Anni; Werner, Christoph S.; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2014 |
Continuous-wave optical parametric source for terahertz waves tunable from 1 to 4.5 THz frequency
Kießling, Jens; Buse, Karsten; Vodopyanov, Konstantin L.; Breunig, Ingo |
Konferenzbeitrag Conference Paper
|
2014 |
Sensitive absorption measurements in bulk material and coatings using a photothermal and a photoacoustic spectrometer
Fieberg, Stephan; Waasem, Niklas; Kühnemann, Frank; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2014 |
Whispering gallery optical parametric oscillators
Breunig, Ingo; Buse, Karsten |
Konferenzbeitrag Conference Paper
|
2013 |
Nichtlinear-Optische Erzeugung von Dauerstrich-Terahertzwellen
Kießling, Jens |
Dissertation Doctoral Thesis
|
2013 |
CW laser light tunable from blue to red: OPOs pave the way
Sowade, Rosita; Kießling, Jens; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2013 |
Whispering gallery optical parametric oscillators: Coupling is the key
Werner, C.S.; Beckmann, T.; Buse, K.; Breunig, I. |
Konferenzbeitrag Conference Paper
|
2013 |
High-sensitivity measurement of residual absorption of lithium triborate crystals
Waasem, N.; Kühnemann, F.; Buse, K. |
Konferenzbeitrag Conference Paper
|
2013 |
Temperature-dependent Sellmeier equation for the extraordinary refractive index of 5 mol. % MgO-doped LiNbO3 in the terahertz range
Kießling, Jens; Buse, Karsten; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2013 |
Optisch Parametrische Oszillation in Flüstergalerieresonatoren
Beckmann, Tobias |
Dissertation Doctoral Thesis
|
2013 |
Photoacoustic absorption spectrometer for highly transparent dielectrics with parts-per-million sensitivity
Waasem, Niklas; Fieberg, Stephan; Hauser, Janosch; Gomes, Gregory; Haertle, Daniel; Kühnemann, Frank; Buse, Karsten |
Zeitschriftenaufsatz Journal Article
|
2013 |
Structure of pump resonances during optical parametric oscillation in whispering gallery resonators
Breunig, I.; Sturman, B.; Bückle, A.; Werner, C.S.; Buse, K. |
Zeitschriftenaufsatz Journal Article
|
2013 |
High-sensitivity absorption spectroscopy of lithium niobate crystals in the near and mid infrared regime
Fieberg, S.; Kühnemann, F.; Buse, K. |
Konferenzbeitrag Conference Paper
|
2013 |
One light source - all colors
Sowade, Rosita; Kießling, Jens; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2013 |
High-sensitivity photoacoustic absorption spectroscopy of nonlinear optical materials
Waasem, Niklas; Buse, Karsten; Kühnemann, Frank |
Konferenzbeitrag Conference Paper
|
2013 |
Durchstimmbares CW-Laserlicht von Blau bis Rot: OPOs machen es jetzt möglich
Sowade, Rosita; Kießling, Jens; Breunig, Ingo |
Zeitschriftenaufsatz Journal Article
|
2013 |
High power and spectral purity continuous-wave photonic THz source tunable from 1 to 4.5 THz for nonlinear molecular spectroscopy
Kießling, Jens; Breunig, Ingo; Schunemann, P.G.; Buse, Karsten; Vodopyanov, K.L. |
Zeitschriftenaufsatz Journal Article
|