Land degradation: Problems and policies,edited by A. Chisholm and R. Dumsday. Cambridge university press,London and New York, 1987. ISBN 0 521 34079 9, £30.00 (hardback), 404 pp期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Land degradation: Problems and policies,edited by A. Chisholm and R. Dumsday. Cambridge university press,London and New York, 1987. ISBN 0 521 34079 9, £30.00 (hardback), 404 pp

Authors:	Duncan McGregor

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