Tchoumatchenco, P., Rabrenović, D., Radulović, V., Radulović, B. and Malešević, N. (2011) “Trans-border (east Serbia/west Bulgaria) correlation of the morpho-tectonic structures”, Geološki anali Balkanskoga poluostrva, 72(1), pp. 21-27. doi: 10.2298/GABP1172021T.