It would be great if anybody has access to this paper!<br/><br/>Numerical modelling of mass transport problems in porous media: A review <br/>Zhao, Chongbin | Xu, TP | Valliappan, S<br/>Computers & Structures [COMPUT. STRUCT.]. Vol. 53, no. 4, pp. 849-860. 1994. <br/><br/>EV :-)