PRATER, A.J. <br/><br/>
Estuary birds of Britain and Ireland / 
by A.J. Prater ; illustrated by John Busby. 
 -- Calton :   T&AD Poyser,   cop. 1981 
 - 440 p. 
<br/><br/>ISBN 0-85661-029-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aves marinas<br/>Gran Bretaņa<br/>Irlanda
<br/><br/><label>Universal Decimal Class. No.: </label>598.2(41)