@book{19429,
	author = {DUTTA B. N.},
	title = {ESTIMATING AND COSTING IN CIVIL ENGINEERING : THEORY AND PRACTICE INCLUDING SPECIFICATIONS AND VALUATION},
	publisher = {USB PUBL. PVT. LTD.},
	year = {2012, R.P. 2015},
	note = {SE/SI/2038}
}