Focus on earth science / 
by. 
 - teachers annoted ed. 
 - Ohio :  Charles E. M,  c1984. 
 - viii,536  p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0675077516 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earrth science--Earth scientists.
<br/><br/><label>LC Class. No.: </label>QE 40  / .S8