The atlas of Wintering Birds in Britain and Ireland / 
compiled by Peter Lack. 
 -- Staffordshire :   T&AD Poyser,   1986 
 - 446 p. 
<br/><br/>ISBN 0-85661-043-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aves de invierno<br/>Gran Bretaņa<br/>Irlanda
<br/><br/><label>Universal Decimal Class. No.: </label>598.2:591.9(41)