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Population and pollution in the United States
Ridker, Ronald Gene - In: Science 176 (1972), pp. 1085-1090
Persistent link: https://www.econbiz.de/10002686621
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Population, resources, and the environment
Ridker, Ronald Gene (contributor) - 1972
Persistent link: https://www.econbiz.de/10000328706
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Economic costs of air pollution : studies in measurement
Ridker, Ronald Gene - 1967
Persistent link: https://www.econbiz.de/10000577353
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To choose a future : resource and environmental consequences of alternative growth paths
Ridker, Ronald G.; Watson, William D. - 1980
Persistent link: https://www.econbiz.de/10001577506