@misc{OPUS4-23040,
  title     = {IWF aktuell : Nr. 27},
  booktitle = {IWF aktuell},
  volume    = {1997},
  number    = {27 = September 1997},
  issn      = {0940-7561},
  type      = {periodicalpart},
  year        = {2012},
}