| 000 | 00408nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 220907s9999 xx 000 0 und d | ||
| 020 | _a0021787204 | ||
| 040 |
_aGS-LRC _cGS-LRC |
||
| 082 | _aC.372.4 Ar 7520 C1991 | ||
| 100 | _aArnold, Virginia A. | ||
| 245 | 0 | _aObserving | |
| 250 | _a- | ||
| 260 |
_aU.S.A. _bThe McGraw-Hill Companies, Inc. _c1991 |
||
| 300 | _a400 | ||
| 942 | _cBK | ||
| 999 |
_c4375 _d4375 |
||