1. ASTM D 5084.Annual Book of Standards. American Society for Testing and Materials, West Conshohocken, Pennsylvania, USA.
2. ASTM D 5093.Annual Book of Standards. American Society for Testing and Materials, West Conshohocken, Pennsylvania, USA.
3. ASTM D 5890.Annual Book of Standards. American Society for Testing and Materials, West Conshohocken, Pennsylvania, USA.
4. Cooley, B. & Daniel, D. (1995). Seam performance of overlapped geosynthetic clay liners.Proceedings, Geosynthetics '95, Nashville, TN, USA, IFAI, St Paul, MN, USA, Vol. 2, pp. 691?705.
5. Daniel, D., Trautwein, S. & Goswami, P. (1997). Measurement of hydraulic properties of GCLs using a flow box. inTesting and Acceptance Criteria for Geosynthetic Clay Liners, STP 1308 (ed. L. Well), American Society for Testing and Materials, West Conshohocken, Pennsylvania, USA, pp. 196?207.