@book{98118,
	author = {Marín García, Alejandra.},
	title = {Malezas y macrofauna en labranza cero, mínima y convencional /},
	publisher = {El autor,},
	year = {2010.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/109775.pdf}
}