@article{6571,
  author       = {Wortmann, Martin and Bednarz, Beatrice and Nezafat, Negin Beryani and Viertel, Klaus and Kuschel, Olga and Schmalhorst, Jan and Ennen, Inga and Gärner, Maik and Frese, Natalie and Jakob, Gerhard and Wollschläger, Joachim and Schierning, Gabi and Hütten, Andreas and Kuschel, Timo},
  issn         = {0169-4332},
  journal      = {Applied Surface Science},
  publisher    = {Elsevier BV},
  title        = {{Oxidation state depth profiling by self-consistent fitting of all emission peaks in the X-ray photoelectron spectrum of SnTe}},
  doi          = {10.1016/j.apsusc.2025.164356},
  volume       = {713},
  year         = {2025},
}

@article{6572,
  author       = {Wortmann, Martin and Bednarz, Beatrice and Nezafat, Negin Beryani and Viertel, Klaus and Kuschel, Olga and Schmalhorst, Jan and Ennen, Inga and Gärner, Maik and Frese, Natalie and Jakob, Gerhard and Wollschläger, Joachim and Schierning, Gabi and Hütten, Andreas and Kuschel, Timo},
  journal      = {arXiv},
  publisher    = {arXiv},
  title        = {{Surface Oxidation of SnTe Analyzed by Self-Consistent Fitting of all Emission Peaks in its X-ray Photoelectron Spectrum}},
  doi          = {10.48550/ARXIV.2504.06875},
  year         = {2025},
}

@article{4571,
  author       = {Wortmann, Martin and Viertel, Klaus and Westphal, Michael and Graulich, Dominik and Yang, Yang and Gärner, Maik and Schmalhorst, Jan and Frese, Natalie and Kuschel, Timo},
  issn         = {2366-9608},
  journal      = {Small Methods},
  number       = {3},
  publisher    = {Wiley},
  title        = {{Sub‐Nanometer Depth Profiling of Native Metal Oxide Layers Within Single Fixed‐Angle X‐Ray Photoelectron Spectra}},
  doi          = {10.1002/smtd.202300944},
  volume       = {8},
  year         = {2024},
}

@article{4569,
  author       = {Viertel, Klaus},
  issn         = {1432-0657},
  journal      = {Archive for History of Exact Sciences},
  number       = {4},
  pages        = {455--490},
  publisher    = {Springer Science and Business Media LLC},
  title        = {{The development of the concept of uniform convergence in Karl Weierstrass’s lectures and publications between 1861 and 1886}},
  doi          = {10.1007/s00407-020-00266-9},
  volume       = {75},
  year         = {2021},
}

@article{4572,
  author       = {Wortmann, Martin and Viertel, Klaus and Welle, Alexander and Keil, Waldemar and Frese, Natalie and Hachmann, Wiebke and Krieger, Philipp and Brikmann, Johannes and Schmidt, Claudia and Moritzer, Elmar and Hüsgen, Bruno},
  issn         = {0017-9310},
  journal      = {International Journal of Heat and Mass Transfer},
  publisher    = {Elsevier BV},
  title        = {{Anomalous bulk diffusion of methylene diphenyl diisocyanate in silicone elastomer}},
  doi          = {10.1016/j.ijheatmasstransfer.2021.121536},
  volume       = {177},
  year         = {2021},
}

@book{4570,
  author       = {Viertel, Klaus},
  isbn         = {978-3-658-05938-5},
  pages        = {252},
  publisher    = {Springer Fachmedien Wiesbaden},
  title        = {{Geschichte der gleichmäßigen Konvergenz. Ursprünge und Entwicklungen des Begriffs in der Analysis des 19. Jahrhunderts}},
  doi          = {10.1007/978-3-658-05939-2},
  year         = {2014},
}