shrock, Robert R.  Twenhofel, William H. <br/><br/>
Principles of invertebrate paleontology  x 

 - 2 
 - Delhi  CBS  1987 
 - xx, 819 
<br/><br/>Incudes 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fossils Zoology 
<br/><br/><label>Dewey Class. No.: </label>562/S561p