@article{Koopmann1986,
  author    = {Helmut Koopmann},
  title     = {Die gr{\"u}ne Idylle},
  journal   = {UniPress: Zeitschrift der Universit{\"a}t Augsburg},
  volume    = {1986},
  number    = {4},
  pages     = {32 -- 37},
  year      = {1986},
}