000 00283pam a2200109a 44500
082 _a510
_bN213C
100 _aNational Council Of Teachers Of Mathematics
245 1 _aCAREERS IN MATHEMATICS
260 _a
_bNational Academy Of Sciences
_c1961
964 _gCIRC
997 _a34203 C
999 _c408500
_d408500