000 00280nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aKhera (MK) etc. Ed.
245 0 _aEnergy Problems and Prospects
260 _bConcept Pub
260 _c1991
365 _b400
942 _cBK
999 _c217131
_d217131