Biblioteca Digital

6 resultados para Petroleum conservation.

em Biodiversity Heritage Library, United States

The nervous system and its conservation.

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Final environmental impact statement on the negotiation of a regime for conservation of Antarctic marine living resources / Department of State.

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Fisheries management under the Fishery Conservation and Management Act, the Marine Mammal Protection Act, and the Endangered Species Act / Katherine A. Green Hammond, consultant, Ecosystem Modeling, Houston, Tex.

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Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa.

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2.3-4

Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa.

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6.4

Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa.

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21.2