Walker, Barry <br/><br/>
A field guide to the birds of the Machu Pichu historical Sanctuary, Peru 

 - 2a. ed 
 - Lima  PROFONANPE  apr. 2002 
 - 217 p  ilus., 
<br/><br/>incl. ref. 
<br/><br/><label>ISBN: </label>9972-778-06-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AVES<br/>FAUNA SILVESTRE<br/>BIODIVERSIDAD<br/>GUIAS
<br/><br/><label>Subjects--Geographic Terms: </label><br/>PERU<br/>MACHU PICCHU
<br/><br/><label>Dewey Class. No.: </label>598.04285-W19-En