Nelkon, M. <br/><br/>
Principles of physics / 
M. Nelkon. 
 - London :  Christophers,  1959. 
 - x, 647 p. :  ill. ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics.