@book{1730,
	author = {GUTIERREZ MICELI, FEDERICO ANTONIO. and INSTITUTO TECNOLOGICO DETUXTLA GUTIERREZ.},
	title = {OBTENCION DE LECITINA A PARTIR DE MANTECA  DE CACAO/ },
	publisher = {EL AUTOR},
	year = {1979},
	address = {TUXTLA GUTIERREZ, CHIS.: }
}