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Are you Allen L. Hammond, author of the books below?
The Next 4 Billion by Allen L. Hammond Which World? by Allen L. Hammond A Passion to Know by Allen L. Hammond Watersheds of the World by Allen L. Hammond Environmental Indicators by Allen L. Hammond Energy and the future by Allen L. Hammond Readings on Human Behavior by Allen L. Hammond 1992 Information Please Environmental Almanac by Allen L. Hammond Issues In Science And Technology by Allen L. Hammond Ethics of Consumption by David A. Crocker


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