1. Amesbury HC, 1935, Final report for the construction of a portion of Primary State Highway in Del Norte County. Contact 61TC1, Highways Div, California.
2. Erosion control on California State Highways;Anon,1949
3. Synthetic material filters in coastal protection;Agerschou;Journal of the Waterways and Harbours Division, ASCE,1961
4. ASTM Standards on Geosynthetics;ASTM,1991
5. Barrett RJ, 1961, Use of plastic filters in coastal structures. Proc XInt Conf on Coastal Engineering, Vol 2, pp 1048–1067