Toprak, S. And YALÇIN ERİK, N. 2011. Petrographical properties and unusual features of Kangal coals, Sivas-Turkey. INTERNATIONAL JOURNAL OF COAL GEOLOGY , vol.86, no.4 , 297-305.

Toprak, S., & YALÇIN ERİK, N., (2011). Petrographical properties and unusual features of Kangal coals, Sivas-Turkey. INTERNATIONAL JOURNAL OF COAL GEOLOGY , vol.86, no.4, 297-305.

Toprak, Selami, And NAZAN YALÇIN ERİK. "Petrographical properties and unusual features of Kangal coals, Sivas-Turkey," INTERNATIONAL JOURNAL OF COAL GEOLOGY , vol.86, no.4, 297-305, 2011

Toprak, Selami And YALÇIN ERİK, NAZAN Y. . "Petrographical properties and unusual features of Kangal coals, Sivas-Turkey." INTERNATIONAL JOURNAL OF COAL GEOLOGY , vol.86, no.4, pp.297-305, 2011

Toprak, S. And YALÇIN ERİK, N. (2011) . "Petrographical properties and unusual features of Kangal coals, Sivas-Turkey." INTERNATIONAL JOURNAL OF COAL GEOLOGY , vol.86, no.4, pp.297-305.

@article{article, author={Selami Toprak And author={NAZAN YALÇIN ERİK}, title={Petrographical properties and unusual features of Kangal coals, Sivas-Turkey}, journal={INTERNATIONAL JOURNAL OF COAL GEOLOGY}, year=2011, pages={297-305} }