@article{journal,
author = {Asensio, B. and Cantos, F. J.},
title = {Migraci{\'o}n parcial de las poblaciones centroib{\'e}ricas de Passer hispaniolensis},
year = {1989},
volume = {13},
pages = {215--217},
journal = {Miscel·l{\`a}nia Zool{\`o}gica},
keywords = {Fat storage, Partial migration, Passer hispaniolensis, Central Spain}
}