000			00386nam a2200157Ia 4500
008			131223s9999 xx 000 0 und d
040			_aISI KOLKATA
041			_aEnglish
082			_a621.31 _bSk629
245			_aElectric system operation
260			_aLondon _bMcGraw-Hill _c1954
300			_aix,370p.
650			_aElectric system
700			_aSkrotzki B G A _4ed.
942			_cBK
999			_c36532 _d36532