@article{MangKricheldorf1981,
  author    = {Mang, Thomas and Kricheldorf, Hans R.},
  title     = {13-C-NMR Sequence Analysis 20. Stereospecificity of the polymerization of D,L-Leu-NCA and D,L-Val-NCA / Kricheldorf, Hans R. ; Mang, Thomas},
  series = {Die makromolekulare Chemie. 182 (1981), H. 11},
  journal   = {Die makromolekulare Chemie. 182 (1981), H. 11},
  isbn      = {1022-1352},
  pages     = {3077 -- 3098},
  year      = {1981},
  language  = {en}
}
@book{Jeromin1981,
  author    = {Jeromin, G{\"u}nter Erich},
  title     = {Synthesen und chemische Eigenschaften einiger 1-Oxo-1H-pyrrolizine [Oxo-H-pyrrolizine] sowie des 1-Oxo-1H-pyrrolizins [Oxo-H-pyrrolizins]},
  pages     = {215 S.},
  year      = {1981},
  language  = {de}
}
@article{TurckBerndt1981,
  author    = {Turck, Christoph W. and Berndt, Heinz},
  title     = {Synthese definierter Peptid-Derivate durch Aminolyse von 3-(Nα-Acyl-peptidyloxy)-2-hydroxy-N-alkylbenzamiden bei erh{\"o}hten Temperaturen, I : Synthese des Modellpeptid-Derivates Z-Ala-Phe-Gly-N(Et)2},
  series = {Hoppe-Seyler´s Zeitschrift f{\"u}r physiologische Chemie},
  volume    = {362},
  journal   = {Hoppe-Seyler´s Zeitschrift f{\"u}r physiologische Chemie},
  number    = {1},
  issn      = {1437-4315},
  doi       = {10.1515/bchm2.1981.362.1.821},
  pages     = {821 -- 828},
  year      = {1981},
  language  = {de}
}