@book{3816,
	author = {Ovando Ramírez, Evaristo.},
	title = {Política de precios en la industria de los fertilizantes en México (1980 - 1990)},
	publisher = {El Autor,},
	year = {1991},
	address = {Chapingo, Méx. :},
	note = {D51-143}
}