000 00442pam a2200157a 44500
008 160408b1969 xxu||||| |||| 00| 0 eng d
082 _a510.02437
_bW386n
100 _aCuthbert, G.
245 1 _aNUMBER CONCEPTS AND GEOMEMTRY
260 _aReading, Massachusetts
_bAddison-Wesley
_c1969
300 _a416
650 _aMathematics -- Study And Teaching (Elementary)
700 _aBrown, John A.
964 _gCIRC
997 _aA15499 C
999 _c256511
_d256511