Gemmological instruments
Read, Peter G.
Gemmological instruments Read Peter G. - 2nd ed. - London Butterworths 1983 - 328p.: ill. 23cm
0408011904
Precious stones
Chemistry
549.1REA
Gemmological instruments Read Peter G. - 2nd ed. - London Butterworths 1983 - 328p.: ill. 23cm
0408011904
Precious stones
Chemistry
549.1REA