00273nam a2200121Ia 45000030006000000080041000060400015000471000021000622450030000832600009001135460012001220050017001340STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMasson Louis, T.  aGeneral science made easy  c1965  aEnglish20220125170109.0