000 00276nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aR S dwivedi
245 _aman power management
260 _bDelhi:PHI
_c1980
300 _a452p.
650 _aManagement
999 _c1937
_d1937