Published in 22nd Annual Frontiers in Education Proceedings, Nashville, TN, November 11, 1992, pages 553-556.
Copyright © 1992 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The definitive version is available at http://dx.doi.org/10.1109/FIE.1992.683460.
Electrical and Computer Engineering