@book{99885,
	author = {López Martínez, Rigoberto. and López Méndez, Sinecio},
	title = {Adopción de tecnología mediante escuelas de campo:},
	publisher = {El autor,},
	year = {2010.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/111543.pdf}
}