000 00251nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _asaeed (hasan)
245 0 _anon-corentional enrgy resourse
260 _bKATARIA & SONS ( DELHI )
942 _2ddc
_cBTECH
999 _c6009
_d6009