Acad. Andrei Tupolev, chairman of the central board of the Soviet-Bulgarian Friendship Society (second left), and Tsola Dragoicheva, member of the Politbureau of the Bulgarian Communist Party and of the national committee of Bulgarian-Soviet friendship (second right) signing the plan of cooperation for 1963.
- Categories: Social Issues, Science & Technology
- Location: Moscow, Russia
- Event date: 01.01.1968
- Date published: 19.05.2005
- Author: Minev
- Source: Sputnik
- Credit: Sputnik
- Original: Ж68-8970, 6x7 film
- Media: JPEG, 3000x2237px, 1.5Mb