Jaffe, Elizabeth B. Abstracts of the literature on synthesis of apatites and some relate d phosphates / by Elizabeth B. Jaffe. - Washington : Geology Department, 1951. - 77 p. : ill., maps ; 26 cm. - Geological survey circular ; no. 135 . Includes bibliographical references. Subjects--Topical Terms: Apatite. Gov. Doc. Class. No.: G US I53 (08) 1/135