TY  - BOOK
AU  - Shepherd, W
AU  - Zand, P
TI  - Energy flow and power factor in nonsinusoidal circuits
SN  - 521219906
U1  - TK3226 .S464 621.319/2 
PY  - 1979///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Electric networks
ER  -