| 000 | 00371nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 160808s1976 xx 000 0 eng d | ||
| 020 | _a0408705736 | ||
| 041 | _aeng | ||
| 084 |
_aH19 _2CC |
||
| 100 | _aWebster, Robert | ||
| 245 |
_aGems / _cby Robert Webster |
||
| 260 |
_aLondon : _bButter Worths, _c1976. |
||
| 653 | _aGems | ||
| 653 | _aGeology | ||
| 999 |
_c167704 _d167704 |
||