Graff, Heinz <br/><br/>
Electrical installation / 
by Heinz Graff 
 - 3rd ed. 
 - Bombay :  Asia Publishing House,  1964 
 - 178 p. :  ill. ;  22 cm. 
 - Technical fundamentals .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering