TY  - GEN
AU  - Lotia, Manahar
AU  - Nair, Pradeep
AU  - Lotia, Payal
TI  - Modern UPS introduction troubleshooting & repair
SN  - 8176563692
U1  - 621.38232 
PY  - 2001///
CY  - New Delhi
PB  - BPB
KW  - Power supply in communications systems
ER  -