| 000 | 00507nam a2200205Ia 4500 | ||
|---|---|---|---|
| 008 | 230524s9999 xx 000 0 und d | ||
| 040 | _cUDSM | ||
| 050 | _aLB3061.T4 | ||
| 100 | _aTewksbury, John L. | ||
| 245 | 0 | _aNongrading in the elementary school | |
| 260 | _aOhio | ||
| 260 | _bCharles E. Merrill | ||
| 260 | _c1967 | ||
| 300 | _avi,138p. | ||
| 300 | _c23cm. | ||
| 650 | _aAbility grouping in education | ||
| 700 | _aill. | ||
| 942 | _2Library of Congress Classification | ||
| 942 | _cBook | ||
| 999 |
_c100115 _d100115 |
||