Geochemistry, groundwater and pollution / C.A.J. Appelo, D. Postma. Appelo, C. A. J. Postma, Dieke. Water chemistry. Groundwater. Groundwater Pollution. GB855 .A62 1999 551.9 21 APG Includes bibliographical references and index. Rotterdam : Balkema, c1999. c1999. 1999 Text xvi, 536 p. : eng