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2Biological indicators of freshwater pollution and environmental management Biological indicators of freshwater pollution and environmental managementby Hellawell, J.M.
Published 1986Texto bibliotecaFAO IT -
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5The problems of protracted check formation and the validity of the use of scales in age determination exemplified by two populations of dace Leuciscus leuciscus (L.) The problems of protracted check formation and the validity of the use of scales in age determination exemplified by two populations of dace Leuciscus leuciscus (L.)by Hellawell, J.M., FAO, Rome (Italy). Fisheries Dept. eng, International Symposium on the Ageing of Fish eng 19 Jul 1973 Reading (UK), Fisheries Society of the British Isles, Huntingdon (United Kingdom) eng, Freshwater Biological Association, Ambleside (United Kingdom) eng
Published 1974Texto bibliotecaFAO IT