@book{207119,
	author = {Drago, Carl J.,},
	title = {Implant restorations : a step by step guide /},
	publisher = {Blackwell,},
	year = {2014.},
	address = {Ames, Iowa :},
	edition = {3rd edition.},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9781119136187}
}