@book{56790,
	author = {Yasser Ramadan Goda and Essam A.Sharaf , },
	title = {A Finite element model for flexible pavement performance - related specifications / },
	publisher = {Yasser Ramadan Goda , },
	year = {2003},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}