McKenzieS90'

BibTeX

@article{DBLP:journals/is/McKenzieS90,
  author    = {L. Edwin McKenzie and
               Richard T. Snodgrass},
  title     = {Schema Evolution and the Relational Algebra},
  journal   = {Inf. Syst.},
  volume    = {15},
  number    = {2},
  year      = {1990},
  pages     = {207-232},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}