Paper  doi  bibtex   

@article{citeulike:6535479,
	title = {Frictional {Forces} and {Amontons}' {Law}:  {From} the {Molecular} to the {Macroscopic} {Scale}},
	volume = {108},
	url = {http://dx.doi.org/10.1021/jp036362l},
	doi = {10.1021/jp036362l},
	journal = {J. Phys. Chem. B},
	author = {Gao, Jianping and Luedtke, W. D. and Gourdon, D. and Ruths, M. and Israelachvili, J. N. and Landman, Uzi},
	year = {2004},
	note = {bibtex[publisher=American Chemical Society]},
	keywords = {1073},
	pages = {3410}
}