@inproceedings{DBLP:conf/chi/NilsenJOBRM93,
  author    = {Erik Nilsen and
               Hee Sen Jong and
               Judith S. Olson and
               Kevin Biolsi and
               Henry H. Rueter and
               Sharon Mutter},
  title     = {The growth of software skill: a longitudinal look at learning
               {\&} performance},
  booktitle = {INTERCHI},
  year      = {1993},
  pages     = {149-156},
  ee        = {http://doi.acm.org/10.1145/169059.169126},
  crossref  = {DBLP:conf/chi/1993},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/chi/1993,
  editor    = {Stacey Ashlund and
               Kevin Mullet and
               Austin Henderson and
               Erik Hollnagel and
               Ted N. White},
  title     = {Human-Computer Interaction, INTERACT '93, IFIP TC13 International
                Conference on Human-Computer Interaction, 24-29 April 1993,
               Amsterdam, The Netherlands, jointly organised with ACM Conference
               on Human Aspects in Computing Systems CHI'93},
  booktitle = {INTERCHI},
  publisher = {ACM},
  year      = {1993},
  isbn      = {0-89791-574-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}