@book{68998,
	author = {Caballero García, José Francisco. and UACH. Departamento de Economía Agrícola.},
	title = {Economía campesina, productiva y crísis agrícola},
	publisher = {El autor,},
	year = {1989},
	address = {Chapingo, Méx. :},
	note = {32-149}
}