@book{UBHD-1492901, title={Collantes-echo}, publisher={Unión Aragonesa del Libro}, address={Zaragoza}, year={1980}, pages={S. 861 - 1136}, language={spa}, isbn={84-85656-08-3 and 978-84-85656-08-0}, library={UB [Signatur: 83 B 203::4]}, }