@book{218771,
	author = {Urzúa Gutiérrez, Álvaro Daniel and Medina Pitalúa, Juan Lorenzo},
	title = {Control químico de malezas en el cultivo de cebolla (Allium cepa L.) /},
	publisher = {El autor,},
	year = {2019.},
	address = {Chapingo, México :},
	url = {http://10.13.5.2/tesis/tl/Urzua_Gutierrez_Alvaro_Daniel.pdf}
}