sponsored by ACM Sigsoft ... [et al.]. sponsored by ACS ... [et al.]. sponsored by UCLA Extension ... [et al.]. sponsored by Region v ... [et al.]. sponsored by TRW ...[et al.]. sponsored by Region 5-IEEE ... [et al.] sponsored by Sigsoft Acm. sponsored by Bucknell University ... [et al.]. sponsored by Aluminum Association...[et al.]. sponsored by Nuclear Committees ...[et al.].