Plasma nitriding of aluminium in a pulsed dc glow discharge of nitrogenS. Naseer, F. U. Khan, N. U. Rehman, A. Qayyum, F. Rahman and M. ZakaullahEur. Phys. J. Appl. Phys., 49 2 (2010) 21001DOI: https://doi.org/10.1051/epjap/2009203