@book{31382,
	author = {Powers, John M. and Wataha, John C.},
	title = {Dental materials},
	publisher = {Elsevier Mosby,},
	year = {2014},
	address = {St. Louis, M.O. :},
	edition = {10th  edition},
	url = {http://192.168.201.76/multim/m10054/cover10054.jpg}
}