00305nam a2200109Ia 450000500170000000800410001708200200005810000200007824500580009826000280015630000110018420260205060118.0260111s9999||||xx |||||||||||||| ||und||  a333.7932  P277K  aPatterson, Walt 0aKeeping the lights on: towars sustainable electricity  aLondonbEarthscanc2008  a195 p.