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Showing 1 - 4 results of 4 for search '"Ecology."', query time: 0.04s Refine Results
1
The population explosion / Paul R. Ehrlich & Anne H. Ehrlich.
by Ehrlich, Paul R.
Published 1990
Subjects: “...Human ecology. http://id.loc.gov/authorities/subjects/sh85062856....”
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2
Human ecology; problems and solutions / [by] Paul R. Ehrlich, Anne H. Ehrlich [and] John P. Holdren.
by Ehrlich, Paul R.
Published 1973
Subjects: “...Human ecology http://id.loc.gov/authorities/subjects/sh85062856....”
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3
Population resources environment ; issues in human ecology / [by] Paul R. Ehrlich [and] Anne H. Ehrlich.
by Ehrlich, Paul R.
Published 1970
Subjects: “...Human ecology http://id.loc.gov/authorities/subjects/sh85062856....”
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4
Population, resources, environment ; issues in human ecology / [by] Paul R. Ehrlich [and] Anne H. Ehrlich.
by Ehrlich, Paul R.
Published 1972
Subjects: “...Human ecology http://id.loc.gov/authorities/subjects/sh85062856....”
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