Clark Ian D Environmental isotopes in hydrogeology - Boca Raton Lewis Publishers 1997 - 328p. cm. Bibliographical references 291-311p. ISBN: 1566702496 (hbd) Standard No.: 6080 Source: Hindustan, Textual Subjects--Topical Terms: Geomorphology Isotopes in hydrogeologyGeology Dewey Class. No.: H422:(E196), N7