| 000 | 00378nam a22001337a 4500 | ||
|---|---|---|---|
| 999 |
_c1275 _d1275 |
||
| 020 | _a0-87044-701-7 | ||
| 082 | _aRef. 500.76 W629 1988 | ||
| 245 | 1 | 0 | _aWhy on earth? |
| 260 |
_aWashington, D.C. : _bThe National Geographic Society, _cc1988. |
||
| 300 |
_a96 p. : _bcol., ill. ; 28 cm. |
||
| 500 | _aIncludes index. | ||
| 650 | 1 | 4 |
_aScience _vQuestions and answers. _92466 |
| 942 | _cBK | ||