@misc{OPUS4-28532,
  title     = {Bryologische Rundbriefe : Nr. 50},
  booktitle = {Bryologische Rundbriefe : Nr. 50},
  volume    = {2001},
  number    = {50},
  issn      = {0937-9169},
  type      = {periodicalpart},
  pages     = {1 -- 8},
  year        = {2001},
}