Back W Ed. Proceeding on geochemistry of groundwater Back W Ed.; Letolle R Ed. - Amsterdam Elsevies scientific publishing 1982 - x,369p. cm. - Development in water science; 16 . Standard No.: 48063 Source: Textual Subjects--Topical Terms: GeochemistryGeology Dewey Class. No.: H4224:(E)p1,N80, M2