@misc{,
 copyright={Rights Reserved - Restricted Access},
 address={Wrocław},
 howpublished={online},
 publisher={Zakład Narodowy im. Ossolińskich - Wydawnictwo Polskiej Akademii Nauk},
 language={pol},
 keywords={6th-11th c. -- Poland, regional geographical environment -- Poland, early Middle Ages social relations, early medieval economy, early medieval settlement -- Poland, early medieval settlements -- catalog, early medieval hillforts -- catalog, early medieval pottery -- typology, Obra basin (Poland)},
}