@book{60600,
	author = {INIA. México. Campo Agrícola Experimental Cd. Delicias},
	title = {Programa de suelos, sección fertilidad},
	publisher = {El Instituto,},
	year = {19 -},
	series = {Serie informe técnico},
	address = {Cd. Delicias, Chih. :},
	note = {La biblioteca tiene: 1972-77}
}