@techreport{itb3220,
  author = {Nake, F. and Schelhowe, H.},
  title = {Vom instrumentellen Medium. Kooperation in der Software-Entwicklung unter konfligierenden Leitbildern},
  year = {1993},
  series = {artec-papers},
  number = {26 – in der SuUB erhältlich / available at SuUB},
  publisher = {Universität Bremen},
  address = {Bremen},
  language = {de},
}