International Jubilee Scientific Conference “75 years UACG“, 1-3 November 2017, Sofia, BULGARIA
https://1drv.ms/b/c/b9f980bbcaa2448f/IQB7wi49SAfDSpj9vLMctqTmATMBz53U0itSoPjwK1cs8mY?e=hii0cE
International Jubilee Scientific Conference “75 years UACG“, 1-3 November 2017, Sofia, BULGARIA
https://1drv.ms/b/c/b9f980bbcaa2448f/IQB7wi49SAfDSpj9vLMctqTmATMBz53U0itSoPjwK1cs8mY?e=hii0cE