TY - BOOK AU - Lotia,Manahar TI - Modern UPS(uninterrupted power supply) : : introduction, servicing & troubleshooting T2 - NRFC SN - 9788176568623 U1 - 621.38 23 PY - 2004/// CY - New Delhi PB - BPB Publications, KW - Electric power KW - Technological innovations N1 - "August 1993." ER -