Campbell, Norman Robert . <br/><br/>
Physics The Elements /  Textual Documents 
Norman Robert Campbell. 
 - ist edn / 
 - Cambridge :  University Press ,  1920. 
 - 565pg ;  29cm. 
<br/><br/><label>Subjects--Index Terms: </label>Physics T/G-Physics 
<br/><br/><label>Dewey Class. No.: </label>530  / C 153 P