P. Paschalis

Selected indicators of pine and spruce wood technical quality from the forest being under the impact of industrial pollution

P. Staniszewski, J. Oktaba, P. Paschalis, 2002 .

Variation in Scots pine wood quality in eastern Poland.

P. Paschalis, 1980 .

Protection of forest ecosystems biodiversity of Bialowieza primeval forest

S. Zajączkowski, P. Paschalis, K. Rykowski, 1995 .