00334nam a2200145Ia 450000100060000000800410000602000180004704000130006508200160007810000210009424500460011526000090016130000110017054600070018114668140403s9999    xx            000 0 und d  a0-8120-9141-8  cPK-LaUMT  a 515bDOW-C  aDowning, Douglas  aCALCULUS : The easy waycDowning, Douglas  c1996  a323 p.  aEN