Archaeological research in the former jurisdictional district of Äyräpää and excavations ai the Telkkälä site in Muolaa, Russia - Takala, Hannu (Fenno-Ugri et Slavi. 2002. Dating and chronology. Papers presented by the participants in the archaeological symposium "Dating and Chronology" 13-14 may 2002 in the National Museum of Finland and 15-17 may 2002 on tour in eastern Finland., 2004)