000 00475pam a2200169a 44500
008 160408b1971 xxu||||| |||| 00| 0 eng d
082 _a510.07
_bH618
100 _aHirst, K. E.
245 1 _aCONCEPTUAL MODELS IN MATHEMATICS
_cSETS, LOGIC AND PROBABILITY
260 _aLondon
_bAllen & Unwin
_c1971
300 _a182
440 _aMathematical Studies
_v
650 _aMathematics -- Study And Teaching
700 _aRhodes, F.
964 _gCIRC
997 _aA18084 C
999 _c241754
_d241754