Zroznicowanie fizykochemicznych wlasciwosci gleb siedlisk borow i borow mieszanych na transektach badawczych klimatycznym [wzdluz 52 st.N, od 12 st. do 32 st.E] i 'slaskim'
Physico-chemical differentiation of the soil properties of pine and mixed pine forest habitats along a transect of climate [at 52 degrees N, 12 degrees - 32 degrees E] and a 'Silesian' transect