1. Nikolić, P., Dimitrijević, D., Coal of Yugoslavia, Invention, Belgrade, 1990, p. 464 (in Serbian);
2. Karamata, S., Životić, D., Jelenković, R., Bursać, M., Natural Resources of Kosovo and Metohija -Condition and Near Future, Collection: Kosovo i Metohija, prošlost -sadašnjost - budućnost, SANU, Beograd, 2006, p. 356 (in Serbian);
3. Interim Institution of Self- Management -Ministry of Economic Development, Strategy for Mining of the Republic of Kosovo from 2012- 2025, Pristina, 2012, p. 14 (in Serbian);
4. The Assembly of the Republic of Serbia, Decision on Establishing the Energy Development Strategy of the Republic of Serbia by 2015, "Official Gazette of the Republic of Serbia", No. 44/2005 (in Serbian);
5. Lignite Mining Development Strategy, Energy Strategy and Policy of Kosovo, White Paper, EU Pillar, PISG -Energy Office. Retrieved 24 February 2013. p. 1.;