Kyuchukov, G.; Kyuchukov, B.; Jivkov, V.; Marinova, A.; Gruevski, G. NORMS FOR DESTRUCTIVE BENDING MOMENTS OF T-SHAPE CORNER JOINTS OF FRAME STRUCTURAL ELEMENTS MADE OF SOLID SPRUCE WOOD WITH A CROSS-SECTION OF 50 х 30 Mm. INNO 2019, 8 (2).