Conservation and management of semi-aquatic mammals of southwestern Europe / 
Aritz Ruiz, Javier López de Luzuriaga, Jonathan Rubines (Eds.) 
 -- Donostia :   Aranzadi Zientzia Elkartea,   2014 
 - Páginas 001-149 
 - 2014 
 -  3 .
 (Munibe Monographs. Nature Series).
<br/><br/>ISSN 2340-0463