Swartz, Clifford E., <br/><br/>
A search for order in the physical universe / 
Clifford E. Swartz, Theodore D. Goldfarb. 
 - San Francisco :  W. H. Freeman and Company,  1974. 
 - 315 p. :  25 cm. 
<br/><br/><label>ISBN: </label>0716703459 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy