 | original on 6 June 2012. Retrieved 31 March 2015. "Третият лъч на метрото зад стъкло срещу инциденти" (in Bulgarian). Trud Newspapers. 14 January 2014. Archived... 47 KB (2,860 words) - 14:16, 12 April 2024 |
| original on 6 June 2012. Retrieved 31 March 2015. "Третият лъч на метрото зад стъкло срещу инциденти" (in Bulgarian). Trud Newspapers. 14 January 2014. Archived... 47 KB (2,860 words) - 14:16, 12 April 2024 |