TRACY, Goeger <br/><br/>
Modern physical science/ 
Goeger Tracy 
 - New York,  Holt Rinehart and Winston,Inc,  c1974. 
 - 696p.; 
<br/><br/><label>ISBN: </label>0030073812 
<br/><br/><label>Dewey Class. No.: </label>500.2