@book{Alt1980,
  author    = {Alt, Helmut},
  title     = {Elektrische Energietechnik, Steuerungstechnik, Elektrizit{\"a}tswirtschaft f{\"u}r UPN-Rechner. (Anwendung programmierbarer Taschenrechner ; 6)},
  publisher = {Vieweg},
  address   = {Braunschweig [u.a.]},
  isbn      = {3-528-04180-3},
  pages     = {VIII, 118 S. : graph. Darst.},
  year      = {1980},
  language  = {de}
}
@article{Berndt1980,
  author    = {Berndt, Heinz},
  title     = {Zur Reaktion von Iminodithiocarbonaten mit Carbons{\"a}uren. I : Synthese des Modellpeptid-Derivates Z-(L)-Ala-(L/D)-Phe-(L)-Val-OMe},
  series = {Tetrahedron letters},
  volume    = {21},
  journal   = {Tetrahedron letters},
  number    = {34},
  issn      = {0040-4039},
  doi       = {10.1016/S0040-4039(00)78663-1},
  pages     = {3265 -- 3268},
  year      = {1980},
  language  = {de}
}