D.J. DeGroot และ D.W. Ostendorf and A.I. Judge. (2012) In situ measurement of hydraulic conductivity of saturated soils. <i>The Geotechnical Engineering Journal of the SEAGS & AGSSEA</i>, <i>43</i>(4), pp 63-71.D.J. DeGroot และ D.W. Ostendorf and A.I. Judge. "In situ measurement of hydraulic conductivity of saturated soils". The Geotechnical Engineering Journal of the SEAGS & AGSSEA 43 (2012):pp 63-71.D.J. DeGroot และ D.W. Ostendorf and A.I. Judge. In situ measurement of hydraulic conductivity of saturated soils. Southeast Asian Geotechnical Society:ม.ป.ท. 2012.