Yazar
eduard j gubelin
2 cilt bulundu.
Cilt sonuçları
Photoatlas of Inclusions in Gemstones
Eduard Josef Gübelin, Eduard Josef Gubelin, J. I. Koivula · Brand: Gemological Inst of Amer
534 sayfa · 1986
Atlases / Inclusions / Precious stones / Crystallography / Science
Gemstones
Eduard Josef Gübelin, Eduard J. Gubelin, Franz-Zaver Erni · Geoscience Press
240 sayfa · 2000
Gems / Precious stones / Science/Mathematics / Science / Earth Sciences - Geology