Cies'lak, Marian <br/><br/>
Feathers : Identification for bird conservation 

 - Poland  Natura Publishing House  2006 
 - 320p. 
<br/><br/> This guide presents the feathers of 60 species of bird, of which 38 are included in Annex I of the EU's Birds Directive 
<br/><br/><label>ISBN: </label>978-83-924410-0-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds - Feathers<br/>Dul, Bolestaw
<br/><br/><label>Dewey Class. No.: </label>598.147