Ager, Derek V. <br/><br/>
Principles of paleoecology  : an introduction to the study of how and where animals and plants lived in the past 
Derek V. Ager 
 - New York:  McGraw-Hill,  1963. 
 - 371p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fossils<br/>Paleoecology
<br/><br/><label>Dewey Class. No.: </label>574.52  / AGP