PhotoAtlas of inclusions in Gemstones
Eduard J.Gubelin
PhotoAtlas of inclusions in Gemstones - Basel Opinio Verlag 2008 - 532
978-3-03999-041-2
gemstones
553.8 / GUB
PhotoAtlas of inclusions in Gemstones - Basel Opinio Verlag 2008 - 532
978-3-03999-041-2
gemstones
553.8 / GUB