Template:Tchoumatchenco & Nikolov, 2016a
- Tchoumatchenco, P. & Nikolov, T. 2016. Compendium of Bulgarian Palaeontologists (1896–December 31, 2015). Part II. Л–Я. Review of the Bulgarian Geological Society 77(2–3): 79–91. (Bulgarian with summary in English) PDF.