International Ornithological Congress,12 <br/><br/>
Proceedings. XII international Oritological Congress 

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 - Helsinki - FINL    1958 
 - v.1    24 cm   
 - International Ornithological Congress,12   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Congresos--Ornitologia--Zoologia--<br/>Zoologia