[1]C. D. Ionela, PMI, т. 174, сс. 210-212, мар. 2008.

[1]C. D. Ionela, "Experimental Researches for the Reduction of the Noxes During the Burning of Pit Coal from Jiu Valley – Romania", PMI, vol. 174, pp. 210-212, Mar. 2008.