OrtnerS89'

BibTeX

@article{DBLP:journals/insk/OrtnerS89,
  author    = {Erich Ortner and
               B. S{\"o}llner},
  title     = {Semantische Datenmodellierung nach der Objekttypenmethode},
  journal   = {Informatik Spektrum},
  volume    = {12},
  number    = {1},
  year      = {1989},
  pages     = {31-42},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}