Kubiak-Martens, Lucyna (1996). "Evidence for possible use of plant foods in Palaeolithic and Mesolithic diet from the site of Całowanie in the central part of the Polish Plain". Vegetation History and Archaeobotany. 5 (1–2): 33–38. doi:10.1007/BF00189433. S2CID129435212.
Kubiak-Martens, Lucyna (1996). "Evidence for possible use of plant foods in Palaeolithic and Mesolithic diet from the site of Całowanie in the central part of the Polish Plain". Vegetation History and Archaeobotany. 5 (1–2): 33–38. doi:10.1007/BF00189433. S2CID129435212.