Newton,I and R.D.Chancellor <br/><br/>
Conservation studies on raptors 

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 - Cambridge - INGL  International Council of Bird Preservation  1985 
 - 482p.  Marron 21cm 
 - ICBP technical publication  v.5 .
<br/><br/><label>ISBN: </label>0-946888-06X 
<br/><br/><label>Subjects--Topical Terms: </label>--Aves rapaces--Conservacion--Aves--Avifauna--Pajaros--Ornitologia--Migracion--Aves de rapiņa--Aves de caza--<br/>Zoologia