00773cam a2200193 7i4500 0000006943 20070613090000.0 0444420223 TD370 .Q35 1981 Quality of groundwater : proceedings of an international symposium, Noordwijkerhout, the Netherlands, 23-27 March 1981 edited by W. van Duijvenbooden, P. Glasbergen and H. van Lelyveld. Amsterdam, New York: Elsevier Scientific, 1981. xxxiv, 1128 p.: ill.; 25 cm.. Studies in environmental science Includes index Groundwater -- Quality -- Congresses. Glasbergen, P. Lelyveld, H van. Duijvenbooden, W. van. 0000004724 Book Open Shelf HQ Library