@book{67037,
	author = {Dutta, B.N},
	title = {Estimating and Costing in Civil Engineering: theory and practice including specifications and evaluations},
	publisher = {UBSPD Publishers,},
	year = {2016.},
	address = {New Delhi:},
	edition = {28th ed.},
	url = {http://10.10.170.122:8080/browse/book/29058}
}