@book{99039,
	author = {Sánchez Hernández, Raúl Fidel.},
	title = {Diseño de un sistema agroforestal de higuerilla ( Ricinus communis L.)},
	publisher = {El autor,},
	year = {2010},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/110697.pdf}
}