DUGGAL S. K. SURVEYING VOL.1 2ND ED/ Textual Documents - 01-01-2004. - TATA MC GRAW HILL CO.LTD., NEW DELHI - XIII/630 22 X 15 10915 ISBN: 0-07-053470-5 Subjects--Index Terms: ELEM. OF CIVIL ENGINEERING Dewey Class. No.: 627.81 / DUG