@Book{267101120,
author="Poncet, Yveline",
title="Cartes etho-demographiques du Niger",
series="Etudes nig{\'e}riennes 32",
year="1973",
publisher="Centre Nig{\'e}rien de Recherches en Sciences Humaines",
address="Niamey",
note="Yveline Poncet",
language="French"
}