00318nam a2200133Ia 45000030006000000080041000060400015000471000017000622450029000792500010001082600037001185460012001550050017001670STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGibson, A.H.  aNatural sourse of energy  aFirst  bCambridge university pressc1913  aEnglish20220125170100.0