@book{7744,
	author = {Neslen, Robert.},
	title = {Construction Maths: Advanced},
	publisher = {Butterworth-Heinemann,},
	year = {1998.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0340662379/chopaconline-20}
}