[1]
G. Medunić, A. Rađenović, M. Bajramović, M. Švec, and M. Tomac, “Once grand, now forgotten: what do we know about the superhigh-organic-sulphur Raša coal?”, Rud.-geol.-naft. zb., vol. 31, no. 3, pp. 27–45, Sep. 2016.