@book{91867,
	author = {Santiago Romero, Alejandro.},
	title = {Indice de velocidad de emergencia en lineas de Maíz (Zea mayz L.) /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/103405.pdf}
}