Gupta, Alok K, b.1942 Petrology and genesis of leucite-bearing rocks Alok K. Gupta, Kenzo Yagi - Berlin Springer-Verlag 1980 - 250 pages.; 24 cm. - Minerals and rocks ; vol. 14 . Includes bibliographical references and index ISBN: 038709864x 35409864x Subjects--Topical Terms: LeucitePetrology