1. Model investigations of coal classifier, part of boiler coal preparation system at TPP Maritsa East 2;Angelov,2014
2. Evolution of boilers type Ep 670/140 (P-62) combustion system in “Maritsa East” complex;Angelov,2015
3. Environmental pollution with mercury from the combustion of Bulgarian lignite;Angelov,2018
4. Ongoing quality assurance of automated measuring systems by applying QAL3 procedure according to standard EN 14181;Angelov,2018
5. Assessment of organized air supply to boilers type PK-38–4;Radenkov,2015