000 00348nam a2200157Ia 4500
008 200715s9999 xx 000 0 und d
082 _a620.8
100 _aGupta,D.
245 0 _aEnergy Ecology Environment & Society
250 _a2nd
260 _aNew Delhi
260 _bDhanpatrai
260 _c2007
300 _a295
942 _cReference
999 _c33939
_d33939