Ager, Derek V. <br/><br/>
Principles of paleoecology :  an introduction to the study of how and where animals and plants lived in the past / 
[by] Derek V. Ager. 
 - New York :  McGraw-Hill,  c1963. 
 - 371 p. :  ill. ;  24cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 319 - 345. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleoecology.