00378nam a2200157Ia 450000500170000000800410001708200160005810000200007424500300009425000120012426000350013630000090017165000160018094200070019699900170020320240821151426.0240821s9999||||xx |||||||||||||| ||und||  a511.022 BUS  aBuswell, Guy T. 0aLiving arithmetic grade-3  arev. ed  aBostonbGinn and Companyc1947  a314p  aMathematics  cBK  c23227d23227