000 00319nam a2200133Ia 4500
008 200218s9999 xx 000 0 und d
082 _a333.794 QUA
100 _a"Quaschning, Volker"
245 0 _aUnderstanding renewable energy systems
260 _aLondon
260 _bEarthscan
260 _c2006
942 _cBC
999 _c242860
_d242860