SchekS86'

BibTeX

@article{DBLP:journals/is/SchekS86,
  author    = {Hans-J{\"o}rg Schek and
               Marc H. Scholl},
  title     = {The relational model with relation-valued attributes},
  journal   = {Inf. Syst.},
  volume    = {11},
  number    = {2},
  year      = {1986},
  pages     = {137-147},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}