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005 | 20210219153354.0 | ||
008 | 991125n 000 0 eng u | ||
035 | _aUPN01000094603 | ||
100 | _aRANUCI, Ernest R. | ||
222 | _aGRADE TEACHER | ||
245 | _aProject : the four color game : a mathematical mystery | ||
260 | _aDARIEN, EUA. | ||
300 | _a109-110 | ||
362 | _a1968 oct. | ||
653 | 0 | _aCOLORES | |
653 | 0 | _aJUEGO | |
653 | 0 | _aMATEMATICAS | |
904 |
_aAC _b032414 |
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905 | _aArticulo | ||
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