00289nam a2200121Ia 45000030006000000080041000060400015000471000013000622450054000752600009001295460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRoss, P.  aElementary algebra for the use of schools part II  c1920  aEnglish20220125170026.0