@book{96983,
	author = {Jesús Aguilar, Silvino de.},
	title = {Copal [Bursera bipinnata (moc. & Sessé ex DC.) Engl.] en el Ejido el Limón, Tepalcingo, Morelos},
	publisher = {El autor,},
	year = {2009},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/108629.pdf}
}