@book{4787,
	author = {Noor, Richard van.},
	title = {Introduction to dental materials },
	publisher = {MOSBY.},
	year = {2007.},
	address = {Edinburgh,},
	edition = {3rd ed.},
	url = {https://books.google.com.pk/books?id=Qm1pzS0ZN20C&printsec=frontcover&dq=Introduction+to+dental+materials&hl=en&sa=X&redir_esc=y#v=onepage&q=Introduction%20to%20dental%20materials&f=false}
}