@misc{OPUS4-28512,
  title     = {Bryologische Rundbriefe : Nr. 30},
  booktitle = {Bryologische Rundbriefe : Nr. 30},
  volume    = {1999},
  number    = {30},
  issn      = {0937-9169},
  type      = {periodicalpart},
  pages     = {1 -- 22},
  year        = {1999},
}