1. Ph.D. Canditate, Dept. of Wood Technology, Technical Univ. of Munich, Munich 80797, Germany (corresponding author).
2. Professor, Dept. of Wood Technology, Technical Univ. of Munich, Munich 80797, Germany; Professor, Faculty of Civil Engineering and Geosciences, Delft Univ. of Technology, Stevinweg 1, CN Delft 2628, Netherlands; Guest Researcher, Consiglio Nazionale delle Ricerche-Ivalsa, Via Biasi 75, San Michele all’Adige, 38010, Italy.