Kyuchukov, Georgi, Borislav Kyuchukov, Vassil Jivkov, Assia Marinova, G Gruevski, and Z Kalapotliev. “COMPARATIVE RESEARCH ON THE DESTRUCTIVE BENDING MOMENTS OF SOME CORNER JOINTS OF FRAME STRUCTURAL ELEMENTS MADE OF SOLID SPRUCE WOOD WITH A CROSS SECTION OF 50 X 30 MM PART III: END CORNER MORTISE AND TENON JOINTS”. Innovation in Woodworking Industry and Engineering design 5, no. 2 (December 20, 2016). Accessed April 14, 2026. http://innojs.ltu.bg/index.php/scjournal-inno/article/view/213.