J. J. Lowke and M. Tanaka, ???LTE-diffusion approximation??? for arc calculations, Journal of Physics D: Applied Physics, vol.39, issue.16, pp.3634-3643, 2006.
DOI : 10.1088/0022-3727/39/16/017

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.689.7517

J. J. Lowke, Predictions of arc temperature profiles using approximate emission coefficients for radiation losses, Journal of Quantitative Spectroscopy and Radiative Transfer, vol.14, issue.2, pp.111-122, 1974.
DOI : 10.1016/0022-4073(74)90004-1

T. Billoux, Y. Cressault, and A. Gleizes, Net emission coefficient for CO???H2 thermal plasmas with the consideration of molecular systems, Journal of Quantitative Spectroscopy and Radiative Transfer, vol.166, pp.42-54, 2015.
DOI : 10.1016/j.jqsrt.2015.07.011

V. Nemchinsky, Plasma Sources Science Technology, p.2015