Perspectives in Southern Hemisphere limnology : proceedings of the Symposium on Perspectives in Southern Hemisphere Limnology, held in Wilderness, South Africa, 3-13 July 1984 / edited by B.R. Davies and R.D. Walmsley. Southern hemisphere limnology. Symposium on Perspectives in Southern Hemisphere Limnology (1984 : Wilderness, South Africa) Davies, B. R. (Bryan Robert) Walmsley, R. D. Limnology Congresses. QH96.A3 S954 1984 551.48 19 S989 P Cataloging based on CIP information. Boston : W. Junk, 1985. 1985. 1985 Text p. cm. eng Developments in hydrobiology ; 28