P. J. Fox และผู้แต่งคนอื่นๆ. (2012) Shear-Induced Geomembrane Damage due to Gravel in Underlying Compacted Clay. <i>The Geotechnical Engineering Journal of the SEAGS & AGSSEA</i>, <i>43</i>(3), pp 30-34.P. J. Fox และผู้แต่งคนอื่นๆ. "Shear-Induced Geomembrane Damage due to Gravel in Underlying Compacted Clay". The Geotechnical Engineering Journal of the SEAGS & AGSSEA 43 (2012):pp 30-34.P. J. Fox และผู้แต่งคนอื่นๆ. Shear-Induced Geomembrane Damage due to Gravel in Underlying Compacted Clay. Southeast Asian Geotechnical Society:ม.ป.ท. 2012.