1. Measuring report -TPP Bitola - Unit 3. 2013.;
2. European Standard - EN 12952-15. 2003.;
3. S. Pecakov, Local instruction for exploitation stem boiler. Pp-700-13, 8-545 (P65).;
4. I.J. Petrovski, Steam boilers. Skopje. 2004.;
5. L.J. Bureska, Optimization of pulverized coal combustion in the furnace of utilities boilers. Skopje: University ‘Sts Cyril and Methodius’. 2013. Ph. D. Thesis.;