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1The assessment of the flow requirements for upstream migration of salmonids in some rivers of north-west England The assessment of the flow requirements for upstream migration of salmonids in some rivers of north-west Englandby Cragg-Hine, D., FAO, Rome (Italy). European Inland Fisheries Advisory Commission eng, Symposium on Habitat Modification and Freshwater Fisheries eng 23 May 1984 Aarhus (Denmark), Alabaster, J.S. (ed.)
Published 1985Texto bibliotecaFAO IT