Waltham, Tony. Foundations of engineering geology / Tony Waltham. - 2nd ed. - London ; New York : Spon Press, 2002. - 92 p. : ill., maps ; 31 cm. ISBN: 0415254493 (alk. paper) 0415254507 (pbk. : alk. paper) Subjects--Topical Terms: Engineering geology.NUST Dewey Class. No.: 624.15 / WAL