Peševski, I., M. Jovanovski, M. Guy, and N. O’Hare. “Rockfall Hazard Assessment for Access Road to Dam ‘Sveta Petka’ Using Rockfall Hazard Rating System (RHRS)”. Geologica Macedonica, Vol. 25, no. 1, Apr. 2013, pp. pp.11-20, https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/266.