@book{92505,
	author = {Quiñones Sánchez, Edith.},
	title = {Análisis de sequía meteorológica en la zona norte del estado de Durango, México /},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/104051.pdf}
}