00347nam a2200121Ia 4500082002300000100005900023245007700082260003500159300001600194490000500210500000500215700000500220  a333.79025bUn58.ES  aUnited Nations, Economic and Social Affairs Deptt. of-  aEnergy statistics yearbook annuaire des statistiques de l'energie 2009b  aNew YorkbUnited Nationsc2013  axlix, 579p.  a  a  a