00309nam a2200121Ia 4500008004100000020001800041041000800059082001400067100001900081245005900100260002000159300000800179230822s2008    xx            000 0 und d  a1-84407-456-0  aeng  a333.793'2  aPATTERSON WALT  aKEEPING THE LIGHTS ON TOWARDS SUSTAINABLE ELECTRICITY.  bEARTHSCANc2008  a222