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Walter Orr Roberts
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The Cold and the Dark
Paul R. Ehrlich, Carl Sagan, Donald Kennedy, Walter Orr Roberts · Sidgwick and Jackson
229 sayfa · 1984
Congresses / Atomic warfare / Nuclear warfare / War and society / Environmental aspects of Nuclear warfare
The climate mandate
Walter Orr Roberts · W. H. Freeman
197 sayfa · 1979
Crops and climate / Climatic changes / Social aspects / Social aspects of Climatic changes / Demography
A view of century 21
Walter Orr Roberts · [Published by Claremont University Center for] The Claremont Colleges
85 sayfa · 1969
Forecasts / Twenty-first century
Living with the changed world climate
Walter Orr Roberts · Rowman & Littlefield (non NBN)
37 sayfa · 1982
Climatic changes / Social aspects / Crops and climate / Demography