@book{88267,
	author = {Avila Martínez, Roberto.},
	title = {Control de malezas en tomate de cáscara (Physalis ixocarpa Brot.) bajo labranza de conservación en Chapingo, Méx.},
	publisher = {El autor,},
	year = {2004.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/99790.pdf}
}