Kohli,D. D. A text book on estimating, costing and accounts [with drawings] / D. D. Kohli and R.C. Kohli. - 9th ed. - New delhi: S.Chand and company, c1960. - xii,Various pages. illus,table,figs,photos. 24cm. English. ISBN: 8121903327 Subjects--Topical Terms: Engineering--Estimates. Dewey Class. No.: 624 /KOT.