@Book{503179922,
author="Costales, Piedad
and Costales, Alfredo",
title="naci{\'o}n shuar",
series="Mundo Shuar / E",
year="1977",
address="Suc{\'u}a (Morona Santiago)",
note="Piedad y Alfredo Costales",
note="Massenents{\"a}uert 2013 DE-18 pdager DE-H16",
language="Spanish"
}