Yazar
walter o spofford
5 cilt bulundu.
Allen V. Kneese, Alfred L. Parker, Walter O. Spofford · Distributed by the Johns Hopkins University Press
542 sayfa · 1980
Energy development / Environmental aspects / Energy resources / Environmental impact / Southwest, new, history
Walter O. Spofford · Resources for the Future
188 sayfa · 1976
Environmental protection / Mathematical models / Environmental engineering / Environnement / Protection
Walter O. Spofford Jr., Clifford S. Russell, Robert A. Kelly · Routledge
188 sayfa · 2015
Environmental protection / United states, environmental conditions / Delaware river and valley / Mathematical models / Environnement
Clifford Russell, Walter O. Spofford, Robert A. Kelly · Northeast Regional Science Association
30 sayfa · 1975
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