000 00271nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aPachavri (RK) etc Eds.
245 0 _a"Energy Environment Developmet , Vol.2"
260 _bHar-Anand
260 _c1991
942 _cBK
999 _c216820
_d216820