David A. Milich, Michael Athans, Lena Valavani, and Gunter Stein.Caption title.Bibliography: leaf [12].Supported, in part, by a grant from the NASA Ames and Langley Research Centers. NASA/NAG-2-297 Supported, in part, by a contract from the Office of Naval Research. ONR/N00014-82-K-0582 (NR 606-003) Supported, in part, by a grant from the AFOSR-Eglin A.FB. F08635-87-K-0031 Supported, in part, by a grant from the National Science Foundation. NSF/ECS-8210960