@phdthesis{dnb-16871,
  title = {Referenzdatenmodelle: Grundlagen effizienter Datenmodellierung},
  author = {Alexander Hars},
  year = {1994},
  url = {http://d-nb.info/931723140},
  researchr = {https://researchr.org/publication/dnb-16871},
  cites = {0},
  citedby = {0},
  school = {Saarland University, Germany},
}