@misc{OPUS4-26533,
  title     = {Gorilla journal : nr. 20 / journal of Berggorilla- \& Regenwald-Direkthilfe},
  booktitle = {Gorilla journal : journal of Berggorilla-\& Regenwald Direkthilfe},
  volume    = {2000},
  number    = {20},
  type      = {periodicalpart},
  year        = {2000},
}