Zloof77'

@article{DBLP:journals/ibmsj/Zloof77,
  author    = {Mosh{\'e} M. Zloof},
  title     = {Query-by-Example: A Data Base Language},
  journal   = {IBM Systems Journal},
  volume    = {16},
  number    = {4},
  year      = {1977},
  pages     = {324-343},
  ee        = {http://dx.doi.org/10.1147/sj.164.0324},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}