00293nam a2200121Ia 45000030006000000080041000060400015000471000016000622450037000782600027001155460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSmart, W.M.  aText book on spherical Astronomy  bUniversity pressc1931  aEnglish20220125170008.0