00298nam a2200097Ia 4500008004100000082001600041245007100057260003100128650002300159700001800182220204s9999    xx            000 0 und d  a620.91bFOE 0aManagement of energy environment systems: Methods and case studies  aNew YorkbJohn Wileyc1979  aEnergy consumption  aFoell, Wesley