{"id":"000141099","type":"book","title":"Slavjane vostocnoj Evropy nakanune obrazovanija drevnerusskogo gosudarstva","publisher":"Izdat. Nauka","publisher-place":"Leningrad","container-title":"Materialy i issledovanija po archeologii SSSR","author":[{"family":"Ljapuškin","given":"Ivan Ivanovič."}],"issued":{"raw":"1968"}}