@book{58735,
	author = {INIFAP. México. Campo Agrícola Experimental Río Bravo. Programa Girasol},
	title = {Formación de híbridos y variedades de girasol},
	publisher = {El Instituto,},
	year = {(s.a.)},
	address = {Cd. Rio Bravo, Tamps. :}
}