| In Books & Book Chapters | In Journals | In Congresses & Conferences | Total | |
| In English | 4 | 53 | 63 | 120 |
| In German | 0 | 0 | 2 | 2 |
| In Hungarian | 0 | 1 | 0 | 1 |
| In Russian | 0 | 0 | 4 | 4 |
| In Bulgarian | 10 | 35 | 25 | 70 |
| Total | 14 | 89 | 94 | 197 |
Impact Factor and Citation Index
The publications marked with * in the list have total impact factor of 73.041 according to the Scientific Citation Information (SCI ® Journal Citation Reports ®).
The publications marked with # have total citation index of 329