{"id":"000134164","type":"book","title":"Kievskaja Rus' i kočevniki. (Pečenegi, torki, polovcy). Istoriografičeskij očerk","publisher":"Nauka","publisher-place":"Leningrad","author":[{"family":"Mavrodina","given":"Ruslana Michajlovna"}],"issued":{"raw":"1983"}}