Roots, K. <br/><br/>
Heavy current applications /  level 4 
K. Roots. 
 - London  Longman  1982. 
 - 252p.  ill.  22 cm 
 - Longman technician series. Electrical and electronic engineering .
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0582412196  RM36.83 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric engineering<br/>Electrical engineering<br/>For technicians