by Gray, C.G, White, F.C, Crisman, R.P, Wisniewski, J.B, McKirnan, M.D, Bloor, C.M
Year of Publication 1986

by Latham, R.D., Fanton, J.W., Vernalis, M.N., Gaffney, F.A., Crisman, R.P.
Published in Advances in space research (01.01.1994)