SU, O. Et Al. 2014. Drillability Assessment of Rocks Based on Strength and Brittleness. Thirty-First Annual International Pittsburgh Coal Conference , 697-703.

SU, O., SAKIZ, U., & KÖKEN, E., (2014). Drillability Assessment of Rocks Based on Strength and Brittleness . Thirty-First Annual International Pittsburgh Coal Conference (pp.697-703).

SU, OKAN, UTKU SAKIZ, And EKİN KÖKEN. "Drillability Assessment of Rocks Based on Strength and Brittleness," Thirty-First Annual International Pittsburgh Coal Conference, 2014

SU, OKAN Et Al. "Drillability Assessment of Rocks Based on Strength and Brittleness." Thirty-First Annual International Pittsburgh Coal Conference , pp.697-703, 2014

SU, O. SAKIZ, U. And KÖKEN, E. (2014) . "Drillability Assessment of Rocks Based on Strength and Brittleness." Thirty-First Annual International Pittsburgh Coal Conference , pp.697-703.

@conferencepaper{conferencepaper, author={OKAN SU Et Al. }, title={Drillability Assessment of Rocks Based on Strength and Brittleness}, congress name={Thirty-First Annual International Pittsburgh Coal Conference}, city={}, country={}, year={2014}, pages={697-703} }