Dr inż. Józef Plewniak

Dr inż. Janusz Gołąb

FARM AND TECHNICAL CONDITIONS OF SKIDDING TRAILS DESIGNING IN THE MOUTAIN FORESTS

Dr inż. Janusz Gołąb

Dr inż. Józef Plewniak

Current conditions of forest road networks development in the mountains

Dr inż. Józef Plewniak

Influence of ski trails complex on making forests available for communication in Jaworzyna forestry in the Forest Empirical Station in Krynica

Dr inż. Józef Plewniak

Influence of the exploitation of coal on forest surfaces in "Szczyglowice" mining area in the Rybnik forestry commission