Authors
Łukasz Tyburski
ltyburski@kampinoski-pn.gov.pl
Kampinos National Park, Department of Science and Nature Monitoring
Paweł Przybylski
Forest Research Institute, Department of Silviculture and Forest Tree Genetics, Poland
ltyburski@kampinoski-pn.gov.pl
© 2017 Łukasz Tyburski, Paweł Przybylski, published by Forest Research Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.