Tschudy, Robert H. <br/><br/>
Illustrations of plant microfissils from the Yazoo clay (Jackson Group, Upper Eocene) Mississippi / 
by Robert H. Tschudy and Sharon D. Van Loenen. 
 -- Washington :   United States Government Printing Office,   1970 
 - 3 p., [5] h. de lam. -- 
 (Geological Survey Professional Paper  ;  643-E).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mississippi<br/>Paleobotánica<br/>Plantas fósiles
<br/><br/><label>Universal Decimal Class. No.: </label>561(762)