00357nam a2200145Ia 45000030006000000080041000060400015000471000038000622450057001002500010001572600009001673000006001765460012001820050017001940STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSecretarial General; De LU.R.S.I.  aInternational scientific Radio union vol VIII part I  aFirst  c1950  a0  aEnglish20220125170101.0