@misc{Janowski_Andrzej_Herkules_2008,
 author={Janowski, Andrzej},
 volume={56},
 copyright={Rights Reserved - Free Access},
 address={Wrocław},
 journal={Przegląd Archeologiczny},
 howpublished={online},
 year={2008},
 publisher={Instytut Archeolgoii i Etnologii Polskiej Akademii Nauk},
 language={pol},
 abstract={The paper presents reinterpretation of function and image of an ivory disc found in 1972 at Ostrow Tumski in Wroclaw, Poland. The author suggests the scene presented on the disc depicts Hercules battling the Lernean Hydra, and the artifact itself is a fragment of a tric-trac pawn. The artifact supposedly originated in 12th century in one of workshops existed in northern France or Cologne},
 type={Text},
 title={Herkules i Hydra – o wyobrażeniu na krążku z kości słoniowej z Ostrowa Tumskiego we Wrocławiu},
 URL={http://rcin.org.pl/Content/60179/PDF/WA308_74936_PIII149_Herkules-i-Hydra_I.pdf},
 keywords={Hercules, iconography, tric-trac, ivory, Middle Ages, Wroclaw},
}