@book{557,
	author = {Colín Alvarez, Rosa.},
	title = {Propagación de violeta africana (Saintpautia ionantha, wendl) empleando un enraizador comercial y agua de coco},
	publisher = {El autor,},
	year = {1990},
	address = {Chapingo, Méx. :},
	note = {37-28}
}