- Author: Holdren John P., Ehrlich Paul R., Ehrlich Anne H
- Language: English
- Year: 1977
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- Year: 1998
- Author: Beem John K., Ehrlich Paul E., Easley Kevin L
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- Year: 1996
- Author: Gerardo Ceballos Anne H. Ehrlich Paul R. Ehrlich
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- Year: 2015