6[11]Lee I W Y. A review of vegetative slope stabilization. J Hong Kong Inst of Engineer,1985,13(7):9-12
7[14]Gray D H,Sotir B R. Biotechnical and soil bioengineering slop stabilization: a practical guide for erosion control. Toronto: John Wiley ＆ Sons, 1996
8[15]Brow F, Clark J. The west Coast Road in St Lucia,an approach to slop stabilization∥Barker D H. Vegetation and Slopes Stabilization,protection and ecology. London: Thomas Telford, 1995:172-183
9[17]Ministry of Works and Transport(Nepal). Use of Bioengineering in the Road Sector(Geo-environmental Unit), 1999
10[18]Nordin A R. Bioengineering to ecoengineering. Part one: the many names. International Group of Bioengineers Newsletter,1993(3):135-139
