@book{14022,
	author = {Johansen, K.W.},
	title = {Yield-line formulae for slabs /},
	publisher = {CRC Press,},
	year = {1998.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0721008194/chopaconline-20}
}