The world book encyclopedia of science. 

 - Chicago :  World Book,  c 1992. 
 - Vols. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>V. 2- Physics today ; 
<br/><br/>334  334 
<br/><br/><label>ISBN: </label>0-7166-2600-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encyclopedia.
<br/><br/><label>Dewey Class. No.: </label>507 / W927t