00273nam a22001217a 4500 14723 14723 621.319THI Thiruvengadam.s A Quiz Book On Power Systems New Delhi Khanna Pub 1986 140P Power systems BK 0 0 0 0 REF REF REF 2015-11-17 20.00 0 621.319THI (Shelf - 50E) 12872 2015-11-17 00:00:00 BK 0 0 0 0 REF REF REF 2015-11-17 20.00 0 621.319MUR (Shelf - 50E) 12873 2015-11-17 00:00:00 BK