Berzins98'

@article{DBLP:journals/jss/Berzins98,
  author    = {Valdis Berzins},
  title     = {Recombining changes to software specifications},
  journal   = {Journal of Systems and Software},
  volume    = {42},
  number    = {2},
  year      = {1998},
  pages     = {165-174},
  ee        = {http://dx.doi.org/10.1016/S0164-1212(98)10007-9},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}