00287n   a2200121 a 4500000002100000001000700021005001700028082001600045100001600061245005500077260002500132300000800157B B                 00168420220201162753.0  a510bM5 MAT  aCutler, Ann  aThe Trachtenberg Speed System of basic Mathematics  bRupa & Companyc1985  a237