Feduccia, Alan <br/><br/>
The age of birds / 
Alan Feduccia 
 - Cambridge, Mass. :  Harvard University Press,  1980 
 - 196 p. ;  ill. ;  28 cm. 
<br/><br/>Bibliography: p.183-187 
<br/><br/><label>ISBN: </label>0674009754 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--Evolutions<br/>Birds--Classification<br/>Birds, Fossil