Papers must be of high quality, oriignal, unpublished, and not submitted elsewhere. Authors should submit an abstract of approximately 200-500 words to Charles P. Pfleeger by October 20, 1996, and the complete article by November 15, 1996. Comments will be returned to the authors before the end of February 1997. If at all possible, prospective authors should submit the abstract by e-mail, as this abstract will be used to schedule reviewers (also by e-mail). The complete article can be submitted either electronically (in ASCII, MSWord format, or postscript) or by hardcopy. In the case of hardcopy submissions, 8 copies must be provided.