TY  - BOOK
AU  - Shepherd, W.
AU  - Zand, P.
TI  - Energy Flow and Power Factor in Non Sinusoidal Circuits 
U1  - 621.3192 
PY  - 1979///
CY  - Cambridge : 
PB  - University Press, 
KW  - Electric Circuits
N1  - NN
ER  -