| 000 | 00400nam a2200145Ia 4500 | ||
|---|---|---|---|
| 100 | _aRobert Webster | ||
| 020 | _a7198 0011 0 | ||
| 250 | _a6th ed | ||
| 654 | _aPolytechnic - Jewellery | ||
| 942 | _cBK | ||
| 245 | _aPractical gemmology : a study of the identification of gemstones,pearls,and ornamental minerals | ||
| 260 |
_aColchester, NAG Press _cc1976 |
||
| 082 | _a736.2 Web | ||
| 300 | _a209p | ||
| 999 |
_c35915 _d35915 |
||