000 00322nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a146606
082 _a553.8
_bDES
100 _aDESILVA
245 _aGemmology: a practical approach
260 _aRatmalane
_bVishva Lekha
_c2002
300 _axiv, 165 p.
942 _cS
999 _c64747
_d64747