00308nam a2200121Ia 45000030006000000080041000060400015000471000021000622450065000832600009001485460012001570050017001690STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWhittaker Edmund  aCalculus of observations:A treatise on numerical mathematics  c1960  aEnglish20220125170038.0