| 000 | 00382nam a2200145Ia 4500 | ||
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| 008 | 170101s1963 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 | _aGN378.054AL53O | ||
| 100 | _aHERMAN R ALLEN | ||
| 245 | 0 | _aOPEN DOOR TO LEARNING | |
| 260 |
_aURBANA _bUNIVERSITY OF ILLINOIS PRESS _c1963 |
||
| 300 |
_a193 _ePrint |
||
| 653 | _aOPEN DOOR TO LEARNING | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c562542 _d562542 |
||