Black.E.J. <br/><br/>
Direct Current &Magnetism.(1963). 

 - 1st Ed. 
 -  Iliffe Books Ltd, London.  1976 
 - 119p.  24 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ELEC
<br/><br/><label>Index Terms--Genre/Form: </label><br/>D-12
<br/><br/><label>Dewey Class. No.: </label>24D-1851  / BLA