Sporopollenin 
edited by J. Brooks ...[et.al.] 
 - London  Academic Press  1971 
 - x,718p.; 24cm. 
<br/><br/> Proceedings of symposium held at the Geology Department, Imperical College, London, 23 - 25 Sept. 21970 
<br/><br/><label>Dewey Class. No.: </label>581.3  / SPO