Electrical Variable-Speed Drives :  2nd International Conference. 25-27 September 1979. 

 - London :  The Institution of Electrical and Engineers,  1979. 
 - IX, 195 s. :  il. ;  29 cm. 
 - (IEE Conference Publication)  No 179 .
<br/><br/>bibliogr. 
<br/><br/><label>Uniwersalna Klasyfikacja Dziesiętna: </label> 62-83:621.38:621.33]:061.3