@misc{Rakowski_Andrzej_Z._Radiocarbon,
 author={Rakowski, Andrzej Z. and Pawełczyk, Sławomira and Pazdur, Anna},
 howpublished={online},
 language={eng},
 title={Radiocarbon concentration measurements in contemporary tree rings form Upper Silesia},
 type={artykuł},
 keywords={radiowęgiel, pierścienie drzewa, efekt Suessa},
}