Determination of N2(X) vibrational level populations and rotational temperatures using CARS in a D.C. low pressure discharge B. Massabieaux, G. Gousset, M. Lefebvre et M. PealatJ. Phys. France, 48 11 (1987) 1939-1949DOI: https://doi.org/10.1051/jphys:0198700480110193900