THE TREATMENT AND USE OF SEWAGE EFFLUENT FOR IRRIGATION. ed M. B. Pescod and A. Arar. Butterworths, London, 1988, 388 pp, £55.
INTERACTION BETWEEN GROUNDWATER AND SURFACE WATER. Proceedings of the International Symposium, 30 May‐3 June 1988, Ystadt, Sweden. ed Peter Dahlbom and Gunnar Lindh. Department of Water Resources Engineering, Lund University, Institute of Science and Technology, Box 118, S‐221 00 Lund, Sweden. 2 vols and supplement, 584 pp, Skr 300.