[ 发表于: Pollution ]
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结果 151-160 的 218
Environmental pollution and control
1975
Vesilind, P. Aarne
National Agricultural Library - United States of America
Edinburgh's sewage-treatment and disposal scheme
1975
Dugdale, J. (Edinburgh Corporation, Edinburgh (UK))
European Union - Belgium
Chemical-biological treatment with biological filters
1975
Neely, A.B. (Rhodesia University, Salisbury (Rhodesia))
Unassigned data from Germany - Germany
Septic tank disc units
1975
Pretorius, W.A. (National Institute for Water Research, CSIR, Pretoria, Transvaal (South Africa))
Unassigned data from Germany - Germany
South African entrophication problems: a perspective
1975
Toerien, D.F. (National Institute for Water Research, CSIR, Pretoria, Transvaal (South Africa))
Unassigned data from Germany - Germany
The practice of balancing in wastewater treatment
1975
Finch, J.
Unassigned data from Germany - Germany
Nutrient removal in biological systems
1975
Barnard, J.L. (National Institute for Water Research, CSIR, Pretoria, Transvaal (South Africa))
Unassigned data from Germany - Germany
Pilot-scale studies on the treatment of domestic sewage by two-stage biological filtration - with special reference to nitrification
1975
Bruce, A.M. (Water Pollution Control Laboratory, Department of the Environment, Stevenage, Herts SG1 1TH (UK)) | Merkens, J.C. | Haynes, B.A.O.
Unassigned data from Germany - Germany
