Please use the following format to cite the selected article:

Jelonek T. , Pazdrowski W. , Tomczak A. , Stypuła I. 2006. RADIAL AND AXIAL VARIABILITY OF THE PROPORTION OF SAPWOOD AND HEARTWOOD IN STEMS OF SCOTS PINE TREES (PINUS SYLVESTRIS L.) DEVELOPED IN CONDITIONS OF FORMER FARMLANDS AND TYPICAL FOREST SITES, EJPAU 9(3), #02.