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Elements of Survival: Food
Elements of Survival: Food
Prospects for New Energy Sources
Prospects for New Energy Sources
Man's Dependence Upon Energy
Man's Dependence Upon Energy
Lecture Notes and Course Outline
Lecture Notes and Course Outline
The Colonization of Space - A Solution?
The Colonization of Space - A Solution?
An Historian on the Idea of Progress
An Historian on the Idea of Progress
Long Range Implications of the Arms Race
Long Range Implications of the Arms Race
Dr. Lewis
Dr. Lewis
The Care for Inherent Stability
The Care for Inherent Stability
Life Styles and Energy Policies
Life Styles and Energy Policies
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