@misc{OPUS4-28489,
  title     = {Bryologische Rundbriefe : Nr. 7},
  booktitle = {Bryologische Rundbriefe : Nr. 7},
  volume    = {1991},
  number    = {7},
  issn      = {0937-9169},
  type      = {periodicalpart},
  pages     = {1},
  year        = {1991},
}