@inproceedings{SchDijkSwi99,
  author       = {Schrage, M. M. and Dijksta, A. and Swierstra, S. D.},
  title        = {SKIT, An Open Architecture for Courseware Authoring},
  booktitle    = {FIE 99, Frontiers in Education Conference},
  url          = {http://fairway.ecn.purdue.edu/~fie/fie99/pages/index.htm},
  city         = {Dan Juan},
  isbn         = {0-7803-5643-8},
  organization = {IEEE},
  year         = 1999,
}