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1programme and meeting document bibliotecaUNESCO
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2Article bibliotecaUMSA BO
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4Article bibliotecaUMSA BO
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5Article bibliotecaUMSA BO
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6Proceedings of the first International Congress of Ecology: structure, functioning and management of ecosystems Proceedings of the first International Congress of Ecology: structure, functioning and management of ecosystemsby Dobben, W.H. van (ed.), Int. Congress of Ecology eng 8 Sep 1974 1 The Hague (Netherlands), Gradwell, G.R. (ed.), Cave, A.J.
Published 1974Texto bibliotecaFAO IT