Laurenzi, W.: Computer Assisted Testing of Knowledge ...................................................................................

509

Lunguleasa, A.: Wood as Renewable Material and its Natural Durability ............................................................

513

Mihăilescu, T.: An Investigation of the Stress in the Adhesive Layer of Square Mortise and Tenon Joints Using the Finite Element Method .................................................................................................................................

517

Popa, E.: The Roughness of Polished Surfaces for the Alder, Poplar and Acacia Wood..........................................

523

Popa, V.: Analogue-Digital Converter Operated Through an IBM PC Compatible Computer..................................

527