@book{94848,
	author = {Moreno Carrillo, Miguel Angel.},
	title = {Transferencia de nitrógeno del trébol blanco al ovillo mediante pastoreo},
	publisher = {El autor,},
	year = {2007},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/106451.pdf}
}