Raup, David M. <br/><br/>
Principles of paleontology/ 
David M. Raup 
 - 2nd ed. 
 - San Francisco:  W.H.Freeman and Company,  1998. 
 - 481p.p. 
<br/><br/><label>ISBN: </label>0716700220 
<br/><br/><label>Dewey Class. No.: </label>560  / RAU/P