Buchportal für Bücher die eine ISBN tragen.

ISBNs beginnend mit 978-3-9523359-x-x

Buchcover Contributions to Gemology No. 5

Contributions to Gemology No. 5

Gem Quality Johachidolite: Occurrence, Chemical Composition and Crystal Structure

GRS Gemresearch Swisslab AG

Buchcover Contributions to Gemology No. 7

Contributions to Gemology No. 7

Winza Rubies Identified

GRS Gemresearch Swisslab AG

Buchcover Contributions to Gemology No. 9 May 2009: Chemical Variations in Multicolored "Paraiba"-Type Tourmalines from Brazil and

Contributions to Gemology No. 9 May 2009: Chemical Variations in Multicolored "Paraiba"-Type Tourmalines from Brazil and

GRS Gemresearch Swisslab AG