Wyllie, Peter J., 1930- Ultramafic and related rocks / edited by P. J. Wyllie. - New York : Wiley, [1967] - xvii, 464 p. : ill., maps. ; 26 cm. Includes bibliographical references. Subjects--Topical Terms: Rocks, Ultrabasic. Dewey Class. No.: 549.114 WYL