@misc{OPUS4-28456,
  title     = {DGaaE-Nachrichten : Jahrgang 18 (2004), Heft 2},
  booktitle = {DGaaE-Nachrichten},
  volume    = {18},
  number    = {2},
  issn      = {0931-4873},
  type      = {periodicalpart},
  pages     = {57 -- 80},
  year        = {2004},
}