Venkatachala, B.S <br/><br/>
Plant Fossils  a link with the past 
B.S. Venkatachala; Manoj Shukla and Mukund Sharma 
 - Lucknow:  Birbal Sahni Institiute of Palaebotany,  1992 
 - 63p.;  21.5 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference Books
<br/><br/><label>Dewey Class. No.: </label>561.1  / VEN/P