1. BDS EN 1998-1: Design of structures for earthquake resistance-Part 1: General rules, seismic actions and rules for buildings (EC 8)
2. Chardakova, T., Vuzgechev, K., Traykova, M.: Strengthening of structural elements – slabs, beams, columns. Numerical Examples. Nova Kampania, Sofia (2015). ISBN: 978-619-90368-1-5
3. Kostov, M., Kaneva, A., Vaseva, E., Stefanov, D., Varbanov, G., Koleva, N.: An advanced approach to earthquake risk scenarios of Sofia. In: International Conference on Civil Engineering Design and Construction, Varna, Bulgaria, pp. 245–251 (2006)
4. Sap 2000 – Computational program
5. Traykov, A.: Rehabilitation & repair of the structural elements of industrial buildings & facilities. In: 14th International Conference and Exhibition “Structural Faults & Repair”, Edinburgh, Scotland (2012)