000 00320nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a333
082 _b7923 P
100 _a"Bansal,NK(edi)"
245 0 _aEnergy Option For The 90
260 _aNew Delhi
260 _bTMH
260 _c1989
300 _a"xxvii,676"
999 _c31029
_d31029