KarlsenJ93a'

@inproceedings{DBLP:conf/prospectra/KarlsenJ93a,
  author    = {Einar W. Karlsen and
               Jesper J{\o}rgensen II},
  title     = {Program Development: PA$^{\mbox{nn}}$dA-S Editor},
  booktitle = {PROSPECTRA Book},
  year      = {1993},
  pages     = {389-417},
  ee        = {http://dx.doi.org/10.1007/3-540-56733-X_159},
  crossref  = {DBLP:conf/prospectra/1993},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/prospectra/1993,
  editor    = {Berthold Hoffmann and
               Bernd Krieg-Br{\"u}ckner},
  title     = {Program Development by Specification and Transformation,
               The PROSPECTRA Methodology, Language Family, and System},
  booktitle = {PROSPECTRA Book},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {680},
  year      = {1993},
  isbn      = {3-540-56733-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}