@inproceedings{DBLP:conf/cade/Portoraro94,
  author    = {Frederic D. Portoraro},
  title     = {Symlog: Automated Advice in Fitch-style Proof Construction},
  booktitle = {CADE},
  year      = {1994},
  pages     = {802-806},
  ee        = {http://dx.doi.org/10.1007/3-540-58156-1_64},
  crossref  = {DBLP:conf/cade/1994},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/cade/1994,
  editor    = {Alan Bundy},
  title     = {Automated Deduction - CADE-12, 12th International Conference
               on Automated Deduction, Nancy, France, June 26 - July 1,
               1994, Proceedings},
  booktitle = {CADE},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {814},
  year      = {1994},
  isbn      = {3-540-58156-1},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}