Scott, Peter. <br/><br/>
BBC/IUCN Darwin centenary expedition to the British Virgin Islands, Trinidad, Panama, Ecuador and the Galápagos Islands / 
Peter Scott. 
 -  1959. 
 - 61-76 p. 
<br/><br/>   BIB Now: 6285 
<br/><br/><br/>Inglés 
<br/><br/><label>Dewey Class. No.: </label>508.0723