[ نُشرت في: Pollution ]
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Changes in the fish community of a limed lake near Sudbury, Ontario: effects of chemical neutralization or reduced atmospheric deposition of acids?
1988
Gunn, J.M. | McMurtry, M.J. | Casselman, J.M. | Keller, W. | Powell, M.J.
Wageningen University & Research - Netherlands
An overview of lake neutralization experiments in Ontario
1988
Dodge, D.P. | Booth, G.M. | Richman, L.A. | Keller, W. | Tomassini, F.D.
Wageningen University & Research - Netherlands