{"id":"002055722","type":"book","title":"Kam văprosa za kalendarnite tredicii v zapadnobălgarskite zemi prez neolita","pages":"25-32","container-title":"Izvestija na Istoriceski Muzej Kjustendil, 19 (2018), 0861-4342","author":[{"family":"Sivkov","given":"Nikolay"}]}