@book{14769,
	author = {Congrès international d'agriculture and Commission internationale d'agriculture.},
	title = {IXème Congrès international d'agriculture, Madrid, 1er au 7 mai 1911.},
	publisher = {Impr. de B. Rodríguez,},
	year = {1912.},
	address = {Madrid,},
	note = {Cover-title.}
}