Eastman69'

@inproceedings{DBLP:conf/ijcai/Eastman69,
  author    = {Charles M. Eastman},
  title     = {Cognitive Processes and I11-Defined Problems: A Case Study
               from Design},
  booktitle = {IJCAI},
  year      = {1969},
  pages     = {669-690},
  crossref  = {DBLP:conf/ijcai/1969},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ijcai/1969,
  editor    = {Donald E. Walker and
               Lewis M. Norton},
  title     = {Proceedings of the 1st International Joint Conference on
               Artificial Intelligence, Washington, DC, May 1969},
  booktitle = {IJCAI},
  publisher = {William Kaufmann},
  year      = {1969},
  isbn      = {0-934613-21-4},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}