000			00331nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a333.7
100			_aHartnett,J.P.
245			_aAlternative energy sources.
260			_aN.Y. _bA.P. _c1976
300			_a328
650			_aEconomics
653			_aEconomics
942			_2ddc _cBK
999			_c7871 _d7871