@misc{OPUS4-28539,
  title     = {Bryologische Rundbriefe : Nr. 57},
  booktitle = {Bryologische Rundbriefe : Nr. 57},
  volume    = {2002},
  number    = {57},
  issn      = {0937-9169},
  type      = {periodicalpart},
  pages     = {1 -- 8},
  year        = {2002},
}