000 00304nam a2200133Ia 4500
100 _aWalter Schumann
020 _a0-8069-3088-8
654 _aPolytechnic - Jewellery
942 _cBK
245 _aGemstones of the world
260 _aSterling, New York
_cc1976
082 _a736.2 Sch
300 _a256p
999 _c33406
_d33406