@incollection{DBLP:books/el/leeuwen90/Wirsing90,
  author    = {Martin Wirsing},
  title     = {Algebraic Specification},
  booktitle = {Handbook of Theoretical Computer Science, Volume B: Formal
               Models and Sematics (B)},
  year      = {1990},
  pages     = {675-788},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}