The archaeological background to the Macedonian kingdom - Hammond, N.G.L (Aρχαία Mακεδoνία, [1]. Aνακoινώσεις κατά τo Πρώτoν Διεθνές Συμπóσιoν εν Θεσσαλoνίκη. Ancient Macedonia, [1]. Papers read at the First International Symposium held in Thessaloniki, 20 - 29 August 1968)