| 000 | 00450nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 180424s9999 xx 000 0 und d | ||
| 084 | _a510 B13 | ||
| 100 | _a"Brieckner, Leo J" | ||
| 245 | 0 | _aDeveloping Mathematical Understandings in the Upper Grades | |
| 250 | _a\\195700ENGGPSX | ||
| 260 | _aHolt Rinehart and Winston | ||
| 260 | _b1957 | ||
| 260 | _cNew York | ||
| 300 | _a567 p | ||
| 500 | _aincludes index and biblioraphy | ||
| 942 | _cBK | ||
| 999 |
_c30224 _d30224 |
||