@article{journal,
author = {Gonz{\'a}lez-Mart{\'i}n, M. and Ruiz, X. and Llorente, G. A.},
title = {Breeding parameters, feeding habits and nestling growth in a recovering population of Purple Herons from the Ebro Delta, Spain},
year = {1992},
volume = {16},
pages = {147--160},
journal = {Miscel·l{\`a}nia Zool{\`o}gica},
keywords = {Reproducci{\'o}n, Alimentaci{\'o}n, Conservaci{\'o}n, Ardea purpurea, Delta del Ebro}
}