Authors
Rihards Roziņš
Institute of Civil Engineer and Woodworking, Latvia University of Life Sciences and Technologies, Jelgava, Latvia
Uldis Spulle
Institute of Civil Engineer and Woodworking, Latvia University of Life Sciences and Technologies, Jelgava, Latvia
Andis Ābele
Institute of Civil Engineer and Woodworking, Latvia University of Life Sciences and Technologies, Jelgava, Latvia
Vilnis Jakovļevs
Latvia University of Life Sciences and Technologies, Malnava College, Ludzas novads, Latvia
