求助英文文献一篇

题目：Advances in soil erosion, soil conservation, land suitability evaluation and land use planning research in South Africa, 1978-2003  
作者: Laker, M. C. (mlaker@mweb.co.za)  
来源出版物: South African Journal of Plant and Soil  卷: 21    期: 5      页: 345-368    出版年: 2004   
文献类型: Article  
语种: English  
地址: Laker, M. C.; Univ Pretoria, Dept Plant Prod and Soil Sci, ZA-0002 Pretoria, South Africa  
ISSN: 0257-1862  
链接：http://apps.webofknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=3&SID=T1GclO4l7937hMa48E7&page=1&doc=1

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