| 000 | 00667 a2200157 4500 | ||
|---|---|---|---|
| 001 | 5493 | ||
| 090 | _a5493 | ||
| 100 | _a20170516 frey50 | ||
| 101 | _aeng | ||
| 102 | _aNL | ||
| 200 |
_aThe teaching of geometry at the pre-college level _eproceedings of the second international conference co-sponsored by southern illinois university and central midwestern regional educational laboratory _fEdited by Hans-Georg Steiner |
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| 210 |
_aDordrecht _cD.Reidel Publishing _d1971 |
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| 215 |
_a388p. _d24cm. |
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| 700 |
_4340 _aSTEINER _bHans-Georg |
||
| 710 |
_aThe CSMP International Conferences of the Teaching of Mathematics _d2 _eCarbondale (illinois) _f18-27 Mars 1969 |
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| 099 | _tACT | ||