@book{13496,
	author = {Agreda Montenegro, Esperanza Josefina. and Riascos Delgado, M�nica.},
	title = {Etnoastronomía y obras rupestres : },
	publisher = {Institución Universitaria Cesmag, },
	year = {2009.},
	address = {San Juan de Pasto : }
}