@misc{OPUS4-59328,
  title     = {La Lettre des Naturalistes Vend{\´e}ens. Num{\´e}ro 21, 1er trimestre 2004},
  booktitle = {La Lettre des Naturalistes Vend{\´e}ens},
  volume    = {2004},
  number    = {21},
  issn      = {1631-6835},
  type      = {periodicalpart},
  pages     = {81 -- 84},
  year        = {2011},
}