Marina Poposka, Borjan Petreski, Petar Cvetanovski, and Denis Popovski. 2014. “EXPERIMENTAL PROCEDURE FOR SLIP FACTOR DETERMINING AT CONNECTIONS WITH PRELOADED BOLTS”. Advances in Civil and Architectural Engineering 5 (8):37-43. https://hrcak.srce.hr/ojs/index.php/acae/article/view/19880.