@book{74902,
	author = {Maha Ahmed Niazy  and Aly Nour , },
	title = {An Investigation into the effect of certain varables on microleak age of resin-veneered glass inonomer cement restorations / },
	publisher = {Maha Ahmed Niazy , },
	year = {1997},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}