Breeding performance, age effects and territory occupancy in a Bonelli's Eagle Hieraaetus fasciatus population / 
José A. Martínez ... [et al.]. 
 -- [S.l.] :   British Ornithologists'Union,   cop. 2007 
 - pp. 223-233 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Águila perdicera
<br/><br/><label>Universal Decimal Class. No.: </label>598.279.23