@book{93169,
	author = {Angeles Martínez, Octavio.},
	title = {Efectos alelopáticos del cempasuchitl (Tagetes erecta L.) sobre malezas de importancia agrícola /},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/104725.pdf}
}