@book{8335,
	author = {Campbell-Allen, Denison. and Roper, Harold.},
	title = {Concrete Structures: materials, maintenance, and repair},
	publisher = {Longman Pub Group,},
	year = {1996.},
	address = {[S.l.] :},
	url = {https://www.amazon.com/exec/obidos/ASIN/0582050677/chopaconline-20}
}