@book{31529,
	author = {Kelekna, Pita, 1938-},
	title = {El comercio achuara:},
	url = {https://books.google.com.ec/books?id=1sgVXD-PBO8C&pg=PA9&lpg=PA9&dq=Comercio+achuara:+contrapeso+y+complemento+para+la+guerra&source=bl&ots=1yqu9B9a6z&sig=_07bFj3e3eUVA8EjP9TlpOmPaFE&hl=es&sa=X&ei=7g81VfTeEe2xsATInYD4DQ&ved=0CB0Q6AEwAA#v=onepage&q=Comercio%20achuara%3A%20contrapeso%20y%20complemento%20para%20la%20guerra&f=false}
}