000 00307nam a2200133Ia 4500
005 20260205053815.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a333.79 G959E
100 _aGUPTA,K
245 0 _aENERGY AND ENVIRONMENT
260 _aDELHI
_bGYAN
_c2002
300 _a264P.
942 _cBK
999 _c127695
_d127695