Protecting our environment
edited by Grant S. McClellan
H.W. Wilson Company, 1970
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Protecting the environment, privately
Edited by Jeffrey Bennett
World Scientific, 2016
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Kaufman, Donald G., author
Biosphere 2000 : protecting our global environment
Kendall/Hunt, 1996
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Robinson, John
Highways and our environment / John Robinson
McGraw-Hill, 1971
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Park, Chris, author
The environment: principles and applications
Routledge, 1997
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