[ Опубликовано в: Pollution ]
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Bacterial indicators of pollution
1982
Pipes, Wesley O.
National Agricultural Library - United States of America
[Animals as carriers of information on the environment [use of mayfly larvae (Baetis rhodani) as indicator species in monitoring of inland water acidification]]
1982
Raddum, G.G. | Fjellheim, A. (Bergen Univ. (Norway). Zoologisk Museum)
The Norwegian University Library of Life Sciences - Norway
Pollution control for dairy farms
1982
Sweeten, John M.
National Agricultural Library - United States of America