000 00291nam a2200121Ia 4500
100 _aedited by Yu Xioyan
654 _aPolytechnic - Jewellery
942 _cBK
245 _aJewelry & Gold : September 2002
260 _aZhao hongke, Beijing
_c2002
082 _a739.2705 J.G.
300 _a96p
999 _c24143
_d24143