TY - BOOK AU - Clark, Ian D. AU - Fritz, P. TI - Environmental isotopes in hydrogeology SN - 1566702496 (alk. paper) PY - 1997/// CY - Boca Raton, FL PB - Lewis Publishers KW - Radioactive tracers in hydrogeology N1 - Includes bibliographical references (p. [291]-311) and index ER -