@article {10549,
	title = {Physical origin of non-linearity in Fowler-Nordheim plots of aligned large area multi-walled nitrogen-containing carbon nanotubes},
	journal = {Materials Science and Engineering A},
	year = {2002},
	pages = {16-19},
	doi = {10.1016/S0921-5093(01)01871-8},
	author = {Y. Chen and S.Z. Deng and N.S. Xu and J. Chen and X.C. Ma and E.G. Wang}
}
