@book{5102,
	author = {Barrios Mazariegos, Vilma Irene and Rosales Escribá, Guillermo},
	title = {Características morfológicas de la dentición primaria del guatemalteco /},
	publisher = {USAC,},
	year = {1999.},
	address = {Guatemala :},
	url = {http://biblioteca.usac.edu.gt/tesis/09/09_1343.pdf}
}