Shrock, Robert R <br/><br/>
Principles Of Invertbrate Paleontology 

 - Tokyo  Mcgraw Hill  1953 
 - 816p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences & mathematics--Paleontology; paleozoologyZoology
<br/><br/><label>Dewey Class. No.: </label>560  / SHR-P