OlsonL90'

@inproceedings{DBLP:conf/ACMse/OlsonL90,
  author    = {John W. Olson and
               Herbert E. Longenecker Jr.},
  title     = {A metric for the effectiveness of graphical language presentation
               in terms of competency},
  booktitle = {ACM Southeast Regional Conference},
  year      = {1990},
  pages     = {190},
  ee        = {http://doi.acm.org/10.1145/98949.99060},
  crossref  = {DBLP:conf/ACMse/1990},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ACMse/1990,
  editor    = {A. Joe Turner},
  title     = {Proceedings of the 28th Annual Southeast Regional Conference,
               1990, Greenville, South Carolina, USA, April 18-20, 1990},
  booktitle = {ACM Southeast Regional Conference},
  publisher = {ACM},
  year      = {1990},
  isbn      = {0-89791-356-6},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}