@article{10_2298_TAM0229261P,
     author = {P. Podio-Guidugli},
     title = {Contact interactions, stress and material symmetry},
     journal = {Theoretical and applied mechanics},
     pages = {261 },
     year = {2002},
     volume = {28-29},
     number = {1},
     doi = {10.2298/TAM0229261P},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/TAM0229261P/}
}