@book{2059,
	author = {O'Brien, Richard C and María de Lourdes Hernández Cazares},
	title = {Radiología dental},
	publisher = { Interamenricana McGraw - Hill},
	year = {1984},
	address = {México},
	edition = {4ed.},
	note = {Dental Radiography ( c.2 es fotocopia)}
}