Olson, Everett Claire,  1910- <br/><br/>
Vertebrate paleozoology 
Everett C. Olson 
 - New York  Wiley-Interscience  1971 
 - xv, 839 p.: ill. ; 24 cm. 
<br/><br/>Bibliography: p. 787-821. 
<br/><br/><label>ISBN: </label>0471653640 
<br/><br/><label>LCCN: </label>71-127667 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates, Fossil<br/>Evolution