KNIGHT, M. J. et al. (1983): Engineering Geology, Hydrogeology, Enviromental Geology. Geol. Soc. of Australia, Sydney.
WYLLIE, D. C. (1992): Foundations on rock. Spon, London.
BELL, F. G. et al.(1992): Engineering in Rock Masses. Butterworth, Oxford.
BLYTH. F. G. H. (1984): A Geology for Engineers. Arnold, London.