00289nam a2200121Ia 45000030006000000080041000060400015000471000033000622450034000952600009001295460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDurell Clement. V; Robson, A  aShorter advanced Trigonometry  c1938  aEnglish20220125170010.0