@article{journal,
author = {Carrera, E. and Mart{\'i}nez, A. and Motis, A. and Pardo, R.},
title = {Nota sobre la invernada de Chlidonias hybrida (Pallas) (Aves, Sternidae) en el Mediterr{\'a}neo Ib{\'e}rico},
year = {1981 (1983)},
volume = {7},
pages = {222--224},
journal = {Miscel·l{\`a}nia Zool{\`o}gica}
}