{"id":"000991564","type":"book","title":"Badania nad średniowieczem","publisher":"Wydawnictwa Uniwersytetu Warszawskiego","publisher-place":"Warszawa","pages":"263-267","container-title":"Dzieje archeologii na Uniwersytecie Warszawskim","author":[{"family":"Gąssowski","given":"Jerzy"}],"issued":{"raw":"1993"}}