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Bevölkerungswachstum und Umweltkrise : die Ökologie des Menschen
Ehrlich, Paul R.; Ehrlich, Anne H. - 1972
Persistent link: https://www.econbiz.de/10000038479
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Population, resouces, environment : issues in human ecology
Ehrlich, Paul R.; Ehrlich, Anne H. - 1972 - 2. ed.
Persistent link: https://www.econbiz.de/10000683549
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Feeding the transitional society
Ehrlich, Anne H. - In: Quest for a sustainable society, (pp. 124-141). 1981
Persistent link: https://www.econbiz.de/10002127784
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Population, resources, environment : issues in human ecology
Ehrlich, Paul R.; Ehrlich, Anne H. - 1970
Persistent link: https://www.econbiz.de/10002338203