Deformations in round-profiled threads and their influence on the screw durabilityPenkov, Igor; Strižak, Viktor; Sivitski, AlinaInternational review of mechanical engineering (IREME)2007 / 4, p. 372-379 : ill https://www.praiseworthyprize.org/jsm/index.php?journal=irece&page=article&op=view&path%5B%5D=76 Deformations in round-profiled threads and their influence on the screw durabilityPenkov, Igor; Strižak, Viktor; Sivitski, AlinaInternational Review of Civil Engineering2014 / p. 61-67