[ 发表于: Pollution ]
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Environmental pollution
1971
Over 7500 entries, arranged under Ecological systems, Physical sciences applied to pollution, Effects of pollution, Air and water pollution, and Causes of pollution. Besides identification of the research, researcher, and institution, eachentry gives information about purpose, methods, progress, and source of support. Subject, researcher, supporting agency indexes.
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National Agricultural Library - United States of America
Mercury pollution control, 1971
1971
Jones, H. R. (Harold R)
National Agricultural Library - United States of America
Water pollution microbiology
1971-1972
Mitchell, Ralph
National Agricultural Library - United States of America
Research supplement to Journal, Water Pollution Control Federation
1971
National Agricultural Library - United States of America
Detection of abandoned underground coal mines by geophysicalmethods
1971
National Agricultural Library - United States of America
