Slansky, Maurice Geologie des phosphates sedimentaires Maurice Slansky - Orleans Bureau de techerches geologiques et minieres 1980 - 92p. ill., maps 27cm - Memoire du BRGM no.114 . Text is in French Includes index Bibliography: p.(83)-90 ISBN: 2715950187 LCCN: 81-125832 Subjects--Topical Terms: Phosphate rock