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3 Table of Contents: “... -- Solar Energy and Lighting in Serbia -- Solar Energy and Lighting in Bulgaria -- Solar Energy...”

4 Table of Contents: “... -- EU Emissions Trading Scheme Application in Bulgaria, Greece and Romania from 2008 to 2012...”

5 Table of Contents: “... Energy Sources in Slovenia: Facts and Plans -- EnergyWood Chains in Bulgaria -- Energy Efficiency...”

6 “... Control held in Varna, Bulgaria from 10 to 14 June 1985. The Motor Control Symposia organized in Bulgaria...”

7 “... for Multidimensional Signal Processing (NAMSP 2020), held at Technical University of Sofia, Sofia, Bulgaria, during 09...”

8 “..., Bulgaria, during 08–10 July 2021. The book covers research papers in the field of N-dimensional...”

9 “... China, Uzbekistan, Lebanon, Poland, Kazakhstan, Bulgaria and Russia. Researchers from different...”

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11 “.... The participants represented research institutions and universities from Austria, Belgium, Bulgaria, China, Finland...”

12 Table of Contents: “..., Agroclimate Conditions in Bulgaria and Resilience Agriculture through Adaptation -- Chapter 21: Climate Change...”

13 “... for Multidimensional Signal Processing (NAMSP 2022), held at Technical University of Sofia, Sofia, Bulgaria, during 23...”

14 “... for Multidimensional Signal Processing (NAMSP 2023), held at Technical University of Sofia, Sofia, Bulgaria, during 6–8...”