@book{14770,
	author = {Oliván, Alejandro,},
	title = {Manual de agricultura /},
	publisher = {Impr. de la viuda de Burgos,},
	year = {1850},
	address = {Madrid :},
	edition = {3ª ed.},
	url = {http://books.google.es/books?id=CyFz_f8p4X0C&dq=manual%20de%20agricultura%20olivan&hl=ca&pg=PP4#v=onepage&q&f=false}
}