{"id":"001339631","type":"article","title":"Ukrepitelnata sistema na rannoeneolitnoto selišče Strumsko kraj Blagoevgrad","publisher":"Izdat. Bălgarska Akademija na Naukite, Archeologičeski Institut","publisher-place":"Sofia","pages":"97-102","container-title":"Praistoričeski nachodki i izsledvanija","author":[{"family":"Perničeva","given":"Liljana"}],"issued":{"raw":"1993"}}