@book{37358,
	author = {Otañex Toxqui, Gervacio. and Equihua Enríquez, Beatriz.},
	title = {Comercialización del chicle en México},
	publisher = {INIF,},
	year = {198?},
	series = {INIF. Boletín técnico},
	address = {México, D. F. :}
}