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1Texto bibliotecaFAO IT
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2conference_item bibliotecaCIRAD FR
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6Texto bibliotecaFAO IT
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7by British Ornithologists' Union, London (United Kingdom) eng, Campbell, B. (ed.), Lack, E. (ed.)
Published 1985Texto bibliotecaFAO IT -
8Sustainable land management in African semi-arid and subhumid regions Sustainable land management in African semi-arid and subhumid regionsby Ganry, F. (ed.), International Council of Scientific Unions, Paris (France). Scientific Committee on Problems of the Environment eng, Campbell, B. (ed.) 167508
Published 1995Texto bibliotecaFAO IT