Some reflections on the Mesolithic substratum and the Neolithization processes in the Aegean, Danubian and Black Sea areas - Séfériadès, Michel Louis (Aegean, Marmara, Black Sea. The present state of research on the Early Neolithic. Proceedings of the sessiom held at the EAA 8th annual meeting at Thessaloniki, 28th september 2002., 2006)