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1
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2Texto bibliotecaCOLPOS
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3Soil conservation: problems and prospects; (proceedings of conservation 80, the International Conference on Soil Conservation, held at the National College of Agricultural Engineer... Soil conservation: problems and prospects; (proceedings of conservation 80, the International Conference on Soil Conservation, held at the National College of Agricultural Engineer...by Morgan, R.P.C. (ed.), International Conference on Soil Conservation eng 21-25 Jul 1980 Silsoe (UK)
Published 1981Texto bibliotecaFAO IT -
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5by Kirkby, M.J. (ed.), British Geomorphological Research Group, Norwich (United Kingdom) eng 22797, Morgan, R.P.C. (ed.)
Published 1980Texto bibliotecaFAO IT -
6by Rubio, J.L. (ed.) 1423211773211, European Society for Soil Conservation (ESSC) eng 25138, International Congress of the European Society for Soil Conservation eng 28 Mar - 1 Apr 2000 3 Valencia (Spain) 401118, Morgan, R.P.C. (ed.) 1423211773212, Asins, S. (ed.) 1423211773213, Andreu, V. (ed.) 1423211773214
Published 2002Texto bibliotecaFAO IT