00309nam a2200121Ia 45000030006000000080041000060400015000471000028000622450059000902600009001495460012001580050017001700STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aThomas Motheden; Others  aPre degree mathematics part II algebra and trignometry  c1964  aEnglish20220125170025.0