The Solar system : edited by Barbara .M. Middlehurst and Gerard P. Kuiper. vol. 4, The moon, meteorites and comets / Kuiper, Gerard P. ed. Middlehurst, Barbara .M. ed QB501 .S6 vol. 1 523.2 KUS Includes bibliographical references and index Chicago : University of Chicago, 1963. 1963. 1963 Text xxii, 810 p. : eng Solar system