Diagnostic and modeling of N2-H2 discharges for iron nitriding A. Ricard, B. F. Gordiets, M. J. Pinheiro, C. M. Ferreira, G. Baravian, J. Amorim, S. Bockel and H. Michel Eur. Phys. J. AP, 4 1 (1998) 87-93 Published online: 15 October 1998 DOI: 10.1051/epjap:1998246