MACGOWAN, B.J.// DA SILVA, L.B.// FIELDS, D.J.// FRY, A.R.// KEANE, C.J.// KOCH, J.A.// MATTHEWS, D.L.// MAXON, M.S.// MROWKA, S.// OSTERHELD, A.L. (LAWRENCE LIVERMORE NATIONAL LAB., CA (USA))University of California Research Laboratory(University of California Research Laboratory)1991.