Autori:
1. Cvjetko Stojanović, Rudnik i Termoelektrana Ugljevik, Republic of Srpska, Bosnia and Herzegovina
2. Biljana Borović, Mine and Thermal Power Plant Ugljevik, Republic of Srpska, Bosnia and Herzegovina
3. Zoran Mićanović, Mine and Thermal Power Plant Ugljevik, Republic of Srpska, Bosnia and Herzegovina

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