1.Cancelli, A., Monti, R. & Rimoldi, P. "Comparative study of geosynthetics for Erosion Control", 4 International Conference on Geotextiles Geomembranes and Related Products, The Hague, Vol. 1, pp. 403 408.
2.Greenway, D. R., "Vegetation and slop stability", slop stability, geotechnical engineering and geomorphology, Edited by Anderson, M.G. and Richards, K.S. John Wiley & Sons, Great Britan, 1992.
3.Nolan, M.F., " Vegetation on corps of engineer project levees in the Sactamento San Joaquim Valley, California", California Riparian Systems Conference, Edited by Warner, R.E. and Hendrix, K.M. University of California, Davis, 1981.
4.Ingold, T.S., and Thamson, J.C. "A design approach for performed erosion control", the 4 International Conference on eotextiles Geomembranes and Related Products, The Hague, Vol. 1, pp. 375 380, 1990.
5.Pinto, M.I.M., Goncalves, I.M.D.C.F., and Correia, A.A.S., "Techniques for soil erosion control", 2 International Conference on Ground Improvement Techniques, pp. 385 - 390, 1998, Singapore.
6.ation and Slopes: Stabilization, Protection and Ecology, Institute of Civil Engineeres, Thomas Telford, 1995, pp. 190 - 201.
7.Tschantz, B.H., and Weaver, J.D. "Tree growth on earthen dams: A Survey of State Policy and Practice", Civil Engineering Department, Univercity of Tennessee, 36 pp., 1998.
8.Yong, R.N. and Warkentin, B.P., "Soil properties and behaviour". Scientific Publishing Company, Elsevier, 1975.
