Authors: Niac, G Popescu, A Viasu-Bolocan, I Capota, P

Citation: G. Niac et al., Grain size distribution of Isalnita power plant lignite ash and elemental composition of size classes, FUEL, 80(5), 2001, pp. 731-737

Authors: Niac, G Muresan, I

Citation: G. Niac et I. Muresan, The two-phase model applied to some US coals, ENERG FUEL, 14(2), 2000, pp. 364-372

Authors: Niac, G Sarbu, C

Citation: G. Niac et C. Sarbu, Pattern recognition of coals using the two-phase model, ACH-MODEL C, 136(5-6), 1999, pp. 561-570