000 00422nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aVan der Tak H.G
245 _aEconomic choice between hydroelectric and thermal power developments
260 _c1968
_bInternational Bank for Reconstruction and Development
366 _b1968
650 _aECONOMICS
942 _cBK
999 _c65606
_d65606