M. Andal, M. Chandrasekhar, and G. K. Viswanadh, “HYDRAULIC CONDUCTIVITY OF GCL WITH BENTONITE – SILICA FUME MATRIX <a href=‘http://dx.doi.org/10.4090/juee.2012.v6n2.109112’>(doi: 10.4090/juee.2012.v6n2.109112)</a>”;, J. Urb. Environ. Engng, vol. 6, no. 2, Dec. 2012.