@article{journal,
author = {Ferrer, X. and Mart{\'i}nez, A. and Motis, A. and Muntaner, J.},
title = {Presencia de Egretta alba (L.) (Aves, Ardeidae) en Catalu{\~n}a},
year = {1979},
volume = {5},
pages = {184--185},
journal = {Miscel·l{\`a}nia Zool{\`o}gica}
}