@article{article42a9049e,
title   = {The influence of nitrogen on the dielectric constant and surface hardness in diamond-like carbon (DLC) films},
author = {Guerino, M. and Massi, Marcos and Maciel, Homero Santiago and Otani, C. and Mansano, Ronaldo Domingues and Verdonck, Patrick Bernard and Libardi, J.},
year = {2004},
doi = {10.1016/j.diamond.2003.10.016},
journal   = {Diamond and Related Materials,}
}