00276nam a2200121Ia 45000030006000000080041000060400015000471000021000622450033000832600009001165460012001250050017001370STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aEngel Leonard Ed  aNew worlds of modern science  c1956  aEnglish20220125170218.0