@techreport{itb3124,
  author = {Hellige, H. D.},
  title = {Actors, visions and developments in the history of computer communications},
  year = {1993},
  series = {artec-papers},
  number = {20 E},
  publisher = {Universität Bremen},
  address = {Bremen},
  doi = {10.26092/elib/1049},
  language = {en},
}