Proceedings of an advisory group meeting on radiation treatment of animal feeds organized by the joint FAO/IAEA division of atomic energy in food and agriculture held in Sofia, Bulgaria, 17-21 October 1977
(1979)
Proceedings of a Symposium on Information systems organized by the IAEA and co-sponsored by the FAO of the united nations and the UNESCO held in Varna, Bulgaria, 30 September - 3 October 1974
(1975)
![Национална конференция с международно участие на тема: „Биологични растениевъдство, животновъдство и храни”, [27-28 ноември 2014 г., Троян] [Електронен ресурс] : доклади, постери](https://eclipse.agriacad.bg/storage/img/52/1006/T0156348.jpg?1788914030)