Patil, B.S. creator text S.l.] Orient Blackswan 2006 monographic 516 p. ; Civil engineering--Estimates Civil engineering contracts Engineering--Estimates Engineering contracts Civil engineering 8173715599 (paperback) 9788173715594 (paperback) http://www.amazon.com/exec/obidos/ASIN/8173715599/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/8173715599/chopaconline-20