On one series of amphorae from unknown Dorian centre of the fourth century BC (former "Bosporan" or "Early-Chersonesean"). - Monachov, Sergej Jur'evič (Patabs 2. Production and trade of amphorae in the Black Sea. Acts of the International Round Table held in Kiten, Nessebar and Sredetz, September 26-30, 2007., 2011)