Thumann, Albert, P. E. <br/><br/>
Electrical design, safety and energy conservation   
by Albert Thumann P. E. 
 - Atlanta  Fairmont Press  1978 
 - 255p. 
<br/><br/><label>ISBN: </label>0915586053 
<br/><br/><label>Dewey Class. No.: </label>621.3  / N78