1. Obsidian in the southern Caucasus: the use of raw materials in the neolithic to early iron ages;Badalyan,2010
2. The neolithic and chalcolithic phases in the Ararat Plain (Armenia): the view from aratashen;Badalyan,2004
3. New data on the late prehistory of the Southern Caucasus. The excavations at Aratashen (Armenia): preliminary report;Badalyan,2007
4. Chemical characterization of Caucasian obsidian : geological sources;Blackman,1998
5. New data on the exploitation of obsidian in the Southern Caucasus (Armenia, Georgia) and Eastern Turkey, part 1: source characterization;Chataigner;Archaeometry,2014