@book{92221,
	author = {Ramírez Hernández, Violeta Belen.},
	title = {Sintomatología de virus asociados a gerbera Gerbera jamesonii H. Bolus /},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/103765.pdf}
}