00538nam a2200205Ia 4500 113492 BIBL 20160527183609.0 930412s1956 nyu 00000 eng evn00001470 DLC/ICU ICU EVLG 512.81 512.81 T545 Thurston, H. A. (Hugh Ansfrid) 283775 Local The number-system. New York Interscience Publishers [1957] 134 p. Arithmetic Foundations. 54423 Local 94832 94832 0 0 0 512_810000000000000_T545 0 evl 30690 10 10 1 2016-05-27 173407 0 512.81 T545 80000001220600 2016-05-27 00:00:00 r:113492 z:NCC:D 6