Porteous, Andrew
Dictionary of environmental science and technology
John Wiley & Sons, 1992
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McGraw-Hill dictionary of environmental science
McGraw-Hill, 2003
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Brewer, Richard
The science of ecology
Saunders College Publishing, 1994
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Ehrlich, Paul R.
The science of ecology
Macmillan, 1987
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The Concise Oxford dictionary of ecology
edited by Michael Allaby
Oxford University Press, 1994
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