Species identification and treatment detection in dark coloured pearls. Published in 2015 Swiss Geoscience Meeting Abstract Proceedings, 134-135.
Author(s): W. Zhou, T. Dzikowski
Spectroscopic study of Co-bearing spinel from Luc Yen (Vietnam). Published in 2015 Swiss Geoscience Meeting Proceedings, 130.
Author(s): C. Hanser
Origin Determination of Gemstones: Challenges and Perspectives. Published in GIT Proceedings, 2006.
Author(s): M.S. Krzemnicki, H.A. Haenni, P. Lefevre, J.-P. Chalain
Spectroscopic properties of an historical greenish yellow diamond. Published in 2004.
Author(s): J.-P. Chalain, G. Bosshart, V. Hammer
Spectroscopic study of a yellowish green HPHT synthetic diamond. Published in GAHK Journal, 2003.
Author(s): J.-P. Chalain
Raman spectroscopic applications in gemmology. Published in 2001.
Author(s): L. Kiefert, H.A. Haenni, T. Ostertag
Spectroscopy and its application in gemmology. Published in 1993.
Author(s): H.A. Haenni