{"id":"002018959","type":"article","title":"Geomagnetic field in the last Millennium BC and archaeomagnetic determinations from four ovens in Apollonia Pontica (Black Sea, Sozopol, Bulgaria)","publisher":"NOUS Publishers","publisher-place":"Sofia","pages":"1-16","container-title":"Archaeologia bulgarica, 24,1 (2020), 1310-9537","author":[{"family":"Kostadinova-Avramova","given":"M."},{"family":"Kovacheva","given":"M."},{"family":"Lanos","given":"Ph."}],"issued":{"raw":"2020"}}