Smith, G. F. Herbert.
Gemstones / G. F. Herbert Smith - 12th ed. rev. - London : Methuen, 1952. - ill. ; xv, 537 p. : 23 cm.
Precious stones.
553.8 / SMG
Gemstones / G. F. Herbert Smith - 12th ed. rev. - London : Methuen, 1952. - ill. ; xv, 537 p. : 23 cm.
Precious stones.
553.8 / SMG