01213cam a2200289 a 4500 9630555832 (hbk.) QH541.5 International Conference on the Conservation and Management of Lakes (3rd : 1988 : Keszthely, Hungary) Conservation and management of lakes / edited by J. Sal�aanki and S. Herodek. Budapest : Akad�aemiai Kiad�ao, 1989. xi, 644 p. : ill. ; 25 cm. Symposia biologica Hungarica ; vol. 38 "Proceedings of the Third International Conference on the Conservation and Management of Lakes ... held in Keszthely, Hungary, 11-17 September 1988"--T.p. verso. Organized and sponsored by the United Nations Environment Programme and the International Lake Environment Committee. Includes bibliographical references. Lake conservation Lake ecology Lakes Management Water Pollution .b10164911 16-06-05 10-06-05 20230123134017.0 NUST MAIN BOOKS QH541.5 158452 158452 2023-01-23 00:00:00 1 QH541.5 CON 92004032460 80.00 2023-01-23 BOOKS 0 LCC 0 0 NFIC 0 MAIN MAIN GEN 2023-01-23 80.00