Stewart, Wilson N. <br/><br/>
Paleobotany and the evolution of plants / 
Wilson N. Stewart, Gar W. Rothwell. 
 - 2nd ed. 
 - New York :  Cambridge University Press,  1993. 
 - xii, 521 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521382947 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleobotany.<br/>Leaves--Evolution.<br/>Paleoecology.
<br/><br/><label>LC Class. No.: </label>QE905  / S73 1993