@book{74835,
	author = {Mohamed Saad Nageda Yousef and Abdelhamid A. Hussein , },
	title = {Sudy of restoration by welding of pearlitic ductile iron / },
	publisher = {Mohamed Saad Nageda Yousef , },
	year = {1997},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}