1

2 Subjects: “...Bulgaria...”

3 Table of Contents: “..., Bulgaria -- Ferrite behaviour in the processing of complex copper-zinc sulphide concentrates -- Limitation...”

4 “..., the Netherlands, Turkey, Brazil, Portugal, Denmark, France, Bulgaria, Sweden, Hungary, Spain, the UAE, the UK...”

5 “... by authors from China, Bulgaria, Uzbekistan, Oman, Kazakhstan and Russia. Researchers from different...”

6 “..., Bulgaria, 30 May - 11 June, 2010. It gives a broad overview on this topic, and includes articles...”

7 “... on “Nanoscience and Nanotechnology in Security and Protection Against CBRN Threats” held in Sozopol, Bulgaria...”

8 “..., Information and Energy Security” held in Sozopol, Bulgaria, 29 May - 6 June, 2014. In addition, it presents...”

9 “... were Argentina, Australia, Austria, Belgium, Brazil, Bulgaria, Canada, Denmark, the Federal Republic...”

10 “..., Hungary, Turkey, Taiwan, Japan, Slovak Republic, Spain, Bulgaria, France, Slovenia, Croatia, and Poland...”

11 “... were Austria, Belgium, Brazil, Bulgaria, Canada, People's Republic of China, Denmark, the Federal...”

12 “... Systems – Dynamics, Control, Simulation, held at Sozopol, Bulgaria, September 11-15, 2017, focuses...”

13 “... in theoretical and experimental aspects of alloys from Argentina, Belgium, Bulgaria, Czechslovakia, France...”