@misc{OPUS4-67022,
  title     = {Metaleptea, vol. 13, no. 2, december 1991 : the orthopterists' newsletter / The Orthoperists' Society},
  booktitle = {Metaleptea : the orthopterists' newsletter / The Orthoperists' Society},
  volume    = {13},
  number    = {2},
  type      = {periodicalpart},
  year        = {2009},
}