| 000 | 00345pam a2200121a 44500 | ||
|---|---|---|---|
| 082 |
_a510.7 _bB453g |
||
| 100 | _aBerger, Emil J. | ||
| 245 | 1 | _aGUIDE TO THE USE AND PROCUREMENT OF TEACHING AIDS FOR MATHEMATICS | |
| 260 |
_aWashington _bNational Council Of Teachers Of Mathematics _c1959 |
||
| 300 | _a41 | ||
| 964 | _gCIRC | ||
| 997 | _a34198 C | ||
| 999 |
_c424825 _d424825 |
||