Siekmann89'

BibTeX

@article{DBLP:journals/jsc/Siekmann89,
  author    = {J{\"o}rg H. Siekmann},
  title     = {Unification Theory},
  journal   = {J. Symb. Comput.},
  volume    = {7},
  number    = {3/4},
  year      = {1989},
  pages     = {207-274},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}