VOOUS, K.H. <br/><br/>
List of recent holarctic bird species / 
K. H. Voous. 
 - 2nd. ed. -- 
 -- London :   British Ornithologists'Union,   cop. 1980 
 - 85 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aves - Censos<br/>Aves - Clasificación
<br/><br/><label>Universal Decimal Class. No.: </label>598.2:502.172(215-17)