00440nam a2200133Ia 4500008004100000082001500041100001800056245006200074260004000136300000800176942000700184952009800191999001700289140113s9999    xx            000 0 und d  a620.9   L6  a"Kenward, M."  aPotential energy : An Analysis of world energy technology  a1976bCambridge Univ. PresscLondon  a227  cBK  00104070aVTLbVTLd2014-01-13l0o620.9   L6pVBK3033r2014-01-13 00:00:00w2014-01-13yBK  c59715d59715