@misc{Modrzyński_Jerzy_Dynamics_2008,
 author={Modrzyński, Jerzy},
 volume={Nr 54 cz. II},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Studia Naturae},
 howpublished={online},
 year={2008},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={Dynamics of defoliation and the decline of Norway spruce stands in the Sudety and Carpathian Mountains},
 URL={http://rcin.org.pl/Content/119492/PDF/KR038_94838_r2008-t54-2_SN-Modrzynski-175-183.pdf},
 keywords={protected natural areas, Sudety Mountains, Carpathian Mountains (Poland), spruce forests, Picea abies},
}