Agnolin, Federico L. <br/><br/>
Fossil birds from the Late Cretaceous Los Alamitos Formation, Río Negro Province, Argentina 

 - Oxford  Elsevier Science  February 2009 
 - pp. 42-49  ilus. 
<br/><br/><label>ISSN: </label>0895-9811 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AVES<br/>CRETACEO SUPERIOR
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ARGENTINA<br/>PATAGONIA