@article{aksak2007friction, title = {Friction of partially embedded vertically aligned carbon nanofibers inside elastomers}, author = {Aksak, Burak and Sitti, Metin and Cassell, Alan and Li, Jun and Meyyappan, Meyya and Callen, Phillip}, journal = {Applied Physics Letters}, volume = {91}, number = {6}, pages = {061906}, publisher = {AIP}, year = {2007}, doi = {} }