@article{journal,
author = {Gonzalez, D.},
title = {Datos sobre morfolog{\'i}a y biometr{\'i}a de Vipera aspis (Viperidae)},
year = {1976},
volume = {3-5},
pages = {181--193},
journal = {Miscel·l{\`a}nia Zool{\`o}gica}
}