Birds and people :  bonds in a timeless journey / 
Nigel J. Collar ... [et al.]. 
 - México :  CEMEX,  2007. 
 - 355 p. ;  il. col. ;  32 x 30 cm. 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>9689128043 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation<br/>Conservación
<br/><br/><label>Dewey Class. No.: </label>23