Erdtman, G. <br/><br/>
Palynology - development and growth 
G. Erdtman 
 - Lucknow  Birbal Sahni Institute of Paleobotany   1958 
 - 8p.;  25cm.- 
 - Sir Albert Charles Seward memorial lecture ; no.4 .
<br/><br/><label>Dewey Class. No.: </label>561.13  / ERD