"Biologiste. - En poste au Department of applied biology, University of Wales institute of science and technology, Cardiff, Wales (en 1972)"@fr . "1992-12-17" . "Ronald Walter" . . . . . . "1930"^^ . "Ronald Walter Edwards" . "Conservation and productivity of natural waters / ed. by R. W. Edwards, D. J. Garrod, 1972. - . - Bibliogr., GB 1950-1976 : Edwards, R. W. (Ronald Walter), 1930-. - . -"@fr . . . . . . "2013-07-25"^^ . . . . . . . . . . . . "2013-07-26" . . . . "0000000114798445" . . "Biologiste. - En poste au Department of applied biology, University of Wales institute of science and technology, Cardiff, Wales (en 1972)" . "Edwards" . . . "Biologiste. - En poste au Department of applied biology, University of Wales institute of science and technology, Cardiff, Wales (en 1972)" . "Ronald Walter Edwards"@fr . "VIAF" . . . "12278331"^^ .