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1Texto bibliotecaFAO IT
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2bibliotecaIICA
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3Texto bibliotecaFAO IT
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4The economics of natural resource depletion - (Proceedings of a conference) The economics of natural resource depletion - (Proceedings of a conference)by Pearce, D.W. (ed.), Conf. on the Econ. of Nat. Resource Depletion eng 16 Jan 1974 London (UK) 10134, Rose, J. (ed.)
Published 1975Texto bibliotecaFAO IT