by Mason, G. M., Korth, A., Walpole, P. H., Desai, M. I., Von Rosenvinge, T. T., Shuman, S. A.
Published in Space science reviews (01.04.2008)

by Mason, Gm, Gold, Re, Krimigis, Sm, Mazur, Je, Andrews, Gb, Daley, Ka, Dwyer, Jr, Heuerman, Kf, James, Tl, Kennedy, Mj, Lefevere, T, Malcolm, H, Tossman, B, Walpole, Ph
Published in Space science reviews (01.07.1998)

by Mason, G.M., Hamilton, D.C., Walpole, P.H., Heuerman, K.F., James, T.L., Lennard, M.H., Mazur, J.E.
Published in IEEE transactions on geoscience and remote sensing (01.05.1993)

by Simpson, J A, Eraker, J H, Lamport, J E, Walpole, P H
Published in Science (American Association for the Advancement of Science) (12.07.1974)

by Simpson, J. A., Eraker, J. H., Lamport, J. E., Walpole, P. H.
Published in Science (American Association for the Advancement of Science) (29.03.1974)