1. Taras Shevchenko National University of Kyiv
2. Kyiv
3. Ukraine
4. Mykolaiv V.O. Sukhomlynskyi National University
5. Mykolayiv
6. University of Sofia
7. Sofia
8. Bulgaria
9. Institute for Problems of Materials Science
10. Admiral Makarov National University of Shipbuilding
11. 54025 Mykolayiv