@book{87231,
	author = {Nieto Reynoso, Alejandro.},
	title = {El calcio en la calidad de tallos florales de rosa (Rosa sp.) Cv. 'Vega'},
	publisher = {El autor,},
	year = {2003.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/98748.pdf}
}