Chipped stones from the earliest Neolithic occupation in the northern Aegean (Uğurlu, Gökçeada Island, ca 6800-6600 cal. BC) - Guilbeau, Denis (Near Eastern lithic technologies on the move : interactions and contexts in Neolithic traditions : 8th International Conference on PPN Chipped and Ground Stone Industries of the Near East, Nicosia, November 23rd-27th 2016 /, 2019)