{"id":"001336988","type":"article","title":"Osnovni etapi rozvitky ornogo khliborobstva","publisher":"Archeologičeskija Institut i Muzej BAN","publisher-place":"Sofija","pages":"48-54","container-title":"Archeologiīā, 2012, nr.3","author":[{"family":"Shramko","given":"B.A"}],"issued":{"raw":"2012"}}