May . Jeffrey C <br/><br/>
Spaceship Earth Physical Science 

 - Toranto  Houghton Mifflim Company   1981 
 - 516 p. 
<br/><br/><label>ISBN: </label>0-395-17032-X 
<br/><br/><label>Dewey Class. No.: </label>531.5  / MAY