@book{10717,
	author = {Aggarwal, A. and Costs},
	title = {Civil Estimating Costing and Valuation},
	publisher = {S K Katria,},
	year = {2008.},
	address = {[New Delhi] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/chopaconline-20}
}