sponsored by Region 5-IEEE ... [et al.] sponsored by Region 5-IEEE ... [et al] sponsored by Region v ... [et al.]. sponsored by: DEE ... [et. al.]. sponsores IEEE ... [et al] sponsoring organizations, [IEEE ... et al.]. sponsored by UCLA Extension ... [et al.]. sponsored by ACM Sigsoft ... [et al.]. sponsored by ACS ... [et al.]. sponsored by TRW ...[et al.].