Duratna, P., J. Bujnak, A. Bouchair, and F. Bahleda. “Behaviour and Strength of Headed Shear Stud Connectors”. Communications - Scientific Letters of the University of Zilina, Vol. 15, no. 3, Aug. 2013, pp. 107-11, http://journals.uniza.sk/index.php/communications/article/view/697.