@article{ref1,
title="Estimated data on the demography of Sierra Leone",
journal="Cahiers techniques AFRO",
year="1975",
author="Tekse, K.",
volume="",
number="9",
pages="7-46",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="",
doi="",
url="http://dx.doi.org/"
}