1. Card G.B. (1981) "The properties and performance of bentonite-cement slurries for use as hydraulic cut-offs" University of London PhD thesis 334 p.
2. Grim R.E. (1968) Clay mineralogy McGraw Hill Book Company 596 p.
3. Guner A. (1978) "Properties and behaviour of bentonite-cement slurries" University of London PhD thesis 279 p.
4. Hewlett P.C. (ed.) (1998) Lea's chemistry of cement and concrete Arnold 1053 p.