Williams, George A.  x <br/><br/>
Physical science  x 

 - x 
 - London  McGraw-Hill  1979 
 - x, 468 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - Juvenile literature Physics- Juvenile literature 
<br/><br/><label>Dewey Class. No.: </label>530/P578