000 00535pam a2200205a 44500
999 _c34872
_d34872
003 OSt
005 20190903121050.0
008 170807b1944 xxu||||| |||| 00| 0 eng d
020 _a0140204784
040 _cIGIDR
082 _a510.0
_bNOR
_220
100 _aNorthrop, Eugene P
245 _aRiddles in mathematics :
_bA Book in paradoxes /
_cEugene P. Northrop
260 _aHarmondsworth
_bPenguin
_c1944
300 _a239p;pbk
650 _aMathematics
650 _aMathematics
_xPhilosophy
906 _a35235
942 _2ddc
_cBK