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“Of course, the methods for human population control are enormously controversial. One contraceptive measure seems to be humane and acceptable: If you teach calculus to teenage girls, they go on to have far fewer babies. Calculus is the contraceptive of the future. It doesn't work for boys.”
Kenneth S. Deffeyes, Beyond Oil: The View from Hubbert's Peak

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Hubbert's Peak: The Impending World Oil Shortage Hubbert's Peak
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Beyond Oil: The View from Hubbert's Peak Beyond Oil
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When Oil Peaked When Oil Peaked
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Nanoscale: Visualizing an Invisible World (Mit Press) Nanoscale
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