@misc{Kalicki_Tomasz_Subboreal,
 author={Kalicki, Tomasz and Krąpiec, Marek},
 howpublished={online},
 title={Subboreal "black oaks" identified from the Vistula alluvia at Grabie near Cracow (South Poland).},
 title={Subborealne "czarne dęby" z aluwiów Wisły w Grabiach koło Krakowa.},
}