@Article{16851981X,
author="{Instituci{\'o}n Tello T{\'e}llez de Meneses}",
title="PITTM",
year="1949",
publisher="Impr. Prov.",
address="Palencia",
note="ed. de la Excma. Diputaci{\'o}n Provincial",
note="Nr. 1.1949 -",
issn="0210-7317",
language="Undetermined language"
}