Leymann90'

BibTeX

@article{DBLP:journals/dke/Leymann90,
  author    = {Frank Leymann},
  title     = {UDH: A Universal Relation System},
  journal   = {Data Knowl. Eng.},
  volume    = {5},
  year      = {1990},
  pages     = {21-38},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}