000 00255cam a22000977a 4500
008 180718b2001 xxu||||| |||| 00| 0 eng d
100 _aBatra, R.K.
245 _aElectricity bill generation
_cby R.K. Batra
260 _aNew Delhi
_bIIPA
_c2001
300 _a25p.
999 _c491942
_d491942