Authors
Grażyna B. Dąbrowska
Nicolaus Copernicus University in Toruń, Faculty of Biological and Veterinary Sciences, Department of Genetics, Toruń, Poland
Henryk P. Dąbrowski
Biskupin Archaeological Museum, Dendroarchaeological Laboratory, Gąsawa, Poland
Iwona Szyp-Borowska
Forest Research Institute, Department of Silviculture and Genetics of Forest Trees, Sękocin Stary, Raszyn, Poland