| 000 | 00392nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 220907s9999 xx 000 0 und d | ||
| 020 | _a | ||
| 040 |
_aGS-LRC _cGS-LRC |
||
| 082 | _a521 P22g | ||
| 100 | _aParker, Bertha M. | ||
| 245 | 0 | _aGravity | |
| 250 | _a- | ||
| 260 |
_aSacramento _bCalifornia State Department of Education _c1959 |
||
| 300 | _a36 | ||
| 942 | _cBK | ||
| 999 |
_c4121 _d4121 |
||