RING, The / 
Polish Zoological Society. 
 -- Wroclaw [Polonia] :   Polish Zoological Society  
<br/><br/>ISSN 0035-5429 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ornitología
<br/><br/><label>Universal Decimal Class. No.: </label>598.2(05)