@book{69246,
	author = {Hernández Ortiz, Juan. and UACH. Departamento de Economía Agrícola.},
	title = {Análisis univariado de precios de hortalizas},
	publisher = {El autor,},
	year = {1989},
	address = {Chapingo, Méx. :},
	note = {33-149}
}