%0 Journal Article %A P. Podio-Guidugli %T Contact interactions, stress and material symmetry %J Theoretical and applied mechanics %D 2002 %P 261 %V 28-29 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2298/TAM0229261P/ %R 10.2298/TAM0229261P %G en %F 10_2298_TAM0229261P