Heckstall-Smith, H. W. <br/><br/>
Intermediate electrical theory / 
by H.W. Heckstall-Smith. 
 - Rev. ed. 
 - London :  Dent,  [c1957]. 
 - xii, 692 p. :  ill. 
 - Dent's modern science series .
<br/><br/> With coloured chart showing the three natural radioactive series, the Neptunium series, and six artificial subsidiary series. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering.<br/>Electronics.