Bell,F. G. Foundation engineering in difficult ground/ edited by F. G. Bell, - London: Butterworths, c 1978. - iii,598p.: illus,table,figs,photos. 24cm. Includes index. English. ISBN: 0408003111 Subjects--Topical Terms: Foundations.Soil mechanics. Dewey Class. No.: 624.15 / BEF