1Physico-chemical and elemental investigation of aqueous leaching of high sulfur coal and mine overburden from Ledo coalfield of Northeast IndiaMadhulika Dutta, Puja Khare, Sanchita Chakravarty, Durlov Saikia, Binoy K.Saikia265-2812Comparative analysis of coal and coal-shale intrinsic factors affecting spontaneous combustionM.Onifade, B.Genc282-2943Acoustic emission activity in directly tensile test on marble specimens and its tensile damage constitutive modelRuifu Yuan, Bowen Shi295-3044Laboratory testing of a shuttle car canopy air curtain for respirable coal mine dust controlW.R.Reed, Y.Zheng, M.Yekich, G.Ross, A.Salem305-3145Study on the creep permeability of mining-cracked N2 laterite as the key aquifuge for preserving water resources in Northwestern ChinaWenping Li, Qiqing Wang, Shiliang Liu, Yabing Pei315-3276Accuracy assessment of mine walls' surface models derived from terrestrial laser scanningNguyen Quoc Long, Micha(l) M.Buczek, La Phu Hien, Sylwia A.Szlapi(n)ska, Bui Xuan Nam, Nguyen Viet Nghia, Cao Xuan Cuong328-3387Analysis of explosion risk factor potential on coal reclaim tunnel facilities by modified analytical hierarchy processNuhindro Priagung Widodo, Budi Sulistianto, Ahmad Ihsan339-3578Coalification and coal alteration under mild thermal conditionsPavel Straka, Ivana S(y)korová358-3739The beneficiation of tailing of coal preparation plant by heavy-medium cycloneAtaallah Bahrami, Yousef Ghorbani, Mirsaleh Mirmohammadi, Behnam Sheykhi, Fatemeh Kazemi374-38410Characterization of coal using electron spin resonance:implications for the formation of inertinite macerals in the Witbank Coalfield, South AfricaOfentse M.Moroeng, Jonathan M.Keartland, R.James Roberts, Nicola J.Wagner385-39811The green fuel from carbon waste: optimization and product selectivity model studiesHossein Atashi, Fatemeh Rezaeian, Ali Akbar Mirzaei399-410