Articles

1. VLADIMÍR RAČKO, IGOR ČUNDERLÍK: Qualitative and quantitative evaluation of false heartwood in beech logs of various age and qualitative structure . 1
2. SANDY SCHUBERT, DANIEL GSELL, MASOUD MOTAVALLI, JÜRG DUAL, PETER NIEMZ: Non-destructive testing of trunks: studying elastic wave propagation by numerical simulation . 11
3. JOZEF KÚDELA: Stability of wood columns loaded in buckling. Part 4. Inf luence of moisture content . . . . . . 25
4. TOMÁŠ JOŠČÁK, ALFRED TEISCHINGER, ULRICH MÜLLER, RAIMUND MAURITZ: Production and material performance of long – strand wood composites. Review . 37
5. NUSRET AS, YENER GOKER, TURKER DUNDAR: Effect of knots on the physical and mechanical properties of Scots Pine (Pinus sylvestris L. . 51
6. GRZEGORZ WIELOCH: Smoothing of profiles on surfaces of mdf boards by friction method with the rotational tools . 59
7. M. HUMAR, F. POHLEVEN, D. ŽLINDRA: Inf luence of water properties on leaching of copper-based preservatives from treated wood . 69
8. ERGUN BAYSAL, MUSTAFA KEMAL YALINKILIC, MUSTAFA ALTINOK: Determination of boron given to wood calculated by some expression types. Short notice . 77