@article{journal,
author = {Ruiz, X. and Petriz, J. and Jover, L.},
title = {Estimating intemal egg volumes from linear dimensions: isomorphy in eggs belonging to the family Ardeidae},
year = {1992},
volume = {16},
pages = {254--257},
journal = {Miscel·l{\`a}nia Zool{\`o}gica},
keywords = {Huevos, Longitud, Anchura, Volumen, Garzas, Delta del Ebro}
}