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|---|---|---|---|
| 008 | 170101s1957 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 | _aGN510B832D | ||
| 100 | _aLEO J BRUECKNER | ||
| 245 | 0 | _aDEVELOPING MATHEMATICAL UNDERATANDINGS | |
| 260 |
_aPHILADELPHIA _bTHE JOHN C.WINSTON CO. _c1957 |
||
| 300 |
_a567 _ePrint |
||
| 653 | _aDEVELOPING MATHEMATICAL UNDERATANDINGS | ||
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_2ddc _cBK |
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_c495092 _d495092 |
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