@misc{Żak_Jan_(1923–1990)_Z_1962, author={Żak, Jan (1923–1990)}, volume={7}, number={1}, editor={Instytut Historii Kultury Materialnej Polskiej Akademii Nauk}, copyright={Rights Reserved - Restricted Access}, address={Warszawa ;}, address={Wrocław}, journal={Archeologia Polski}, howpublished={online}, year={1962}, publisher={Zakład Narodowy im. Ossolińskich}, language={pol}, language={fre}, title={Z teorii ,,importu" wczesnofeudalnego}, type={Text}, keywords={early Middle Ages -- western Slavic Lands, imports in early Middle Ages}, }