Kraus, Edward Henry
Gems and gem materials - 5th ed. - New York McGraw Hill 1947 - ix, 332p. : ill., photos, col. plates bibliography and index included
PRECIOUS STONES
549.091 / K7
Gems and gem materials - 5th ed. - New York McGraw Hill 1947 - ix, 332p. : ill., photos, col. plates bibliography and index included
PRECIOUS STONES
549.091 / K7