Ballard, Stanley S, et al. <br/><br/>
Physics principles / 
Ballard, Stanley S, et al. 
 -  Affiliated East-West Press Pvt. Ltd., New Delhi,  1954 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530 BAL-P