Beck Charles B Ed. <br/><br/>
Origin and evolution of gymnosperms 

 - Dehradun  Bishen Singh Mahendra Pal Singh        1988 
 - xiv,504p.  cm. 
<br/><br/> Index 487-504p 
<br/><br/><label>ISBN: </label>812110310X (hbd)  1495.00 
<br/><br/><label>Standard No.: </label>12808 
<br/><br/><label>Source: </label> IN-00071, 23/09/2004, N R Book Distributors  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Gymnosperms-Evolution<br/> Paleobotany<br/>Gymnosperms-Origin
<br/><br/><label>Dewey Class. No.: </label>I6, M8   Carb