TY  - BOOK
AU  - Bollen, Math H. J.
AU  - Understanding power quality problems : voltage sags and interruptions
TI  - Understanding power quality problems :  voltage sags and interruptions    
SN  - 9780780347137
AV  - 621.319 BOL 2000 
U1  - 621.319 BOL 2000 
PY  - 2000///
CY  - Hoboken
PB  - Wiley-Interscience
KW  - Electronic Engineering
ER  -