Delevoryas, Theodore <br/><br/>
Biology studies: morphology and evolution of fossil plant 

 - New York  Holt, Rinehart and Winston  1963 
 - ix,189p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontology
<br/><br/><label>Dewey Class. No.: </label>561 DEL