@article {5078,
	title = {Spectroscopic measurement of interlayer screening in multilayer epitaxial graphene},
	journal = {Physical Review Letters},
	year = {2010},
	doi = {10.1103/PhysRevLett.104.136802},
	author = {Dong Sun and Charles Divin and Claire Berger and Walt A. De Heer and Phillip N. First and Theodore B. Norris}
}
