@book{15513,
	author = {Mora Ochoa, Alejandro de la. and Gutierrez, Ma. Teresa. and Asociacion Nacional de Universidades e Institutos de Ensenanza Superior.},
	title = {Sustitutos y preposiciones/},
	publisher = {ANUIES, },
	year = {1976.},
	series = {Serie temas basicos.},
	address = {Mexico },
	note = {23298.}
}