Barron, Eric J. <br/><br/>
Climate variation in earth histroy   
by Eric J Barron 
 - Sausalito  Univ., Science Books.  1996 
 - xi, 25p. 
 - Global change instruction program .
<br/><br/><label>ISBN: </label>0935702822 
<br/><br/><label>Dewey Class. No.: </label>551.6  / N962