@Book{09760352X,
author="Mattoso, Jos{\'e}",
title="Identificac-{\~a}o de um pa{\'{\i}}s: ensaio sobre as origens de Portugal, 1096-1325",
series="Imprensa universit{\'a}ria",
year="1986",
publisher="Ed. Estampa",
address="Lisboa",
note="Jos{\'e} Mattoso",
language="Portuguese"
}