Axelrod, Daniel I. <br/><br/>
The Pleistocene sobora flora of southern California / 
by Daniel I. Axelrod. 
 - Berkeley ;  Los Angeles :  University of California Press,  1966. 
 - x, 108 p. :  ill. ;  25 cm. 
 - University of California publications in geological sciences ;  Vol. 60 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conifers, Fossil--California.<br/>Paleobotany--Pleistocene.