1. V. R. Amirkhanyan, A. G. Gorshkov, A. A. Kapustkin, et al., Catalog of Radio Sources in the Zelenchuk Sky Survey at Declinations from 0 to +14° (Mosc. State Univ., Moscow, 1989) [in Russian].
2. A. G. Gorshkov, V. K. Konnikova, and M. G. Mingaliev, Astron. Zh. 85, 314 (2008) [Astron. Rep. 52, 278 (2008)].
3. P. C. Gregory, W. K. Scott, K. Douglas, and J. J. Condon, Astrophys. J., Suppl. Ser. 103, 427 (1996).
4. A. G. Gorshkov, V. K. Konnikova, and M. G. Mingaliev, Astron. Zh. 80, 978 (2003) [Astron. Rep. 47, 903 (2003)].
5. A. G. Gorshkov, V. K. Konnikova, and M. G. Mingaliev, Astron. Zh. 83, 241 (2006) [Astron. Rep. 50, 210 (2006)].