@unpublished{eprints2518,
            year = {2013},
       booktitle = {- 12th U.S. National Congress on Computational Mechanics (USNCCM12)},
          author = {Andrea Bacigalupo and Luigi Gambarotta},
           title = {Dispersive wave propagation in anisotropic materials with periodic microstructure},
           month = {July},
             url = {http://eprints.imtlucca.it/2518/}
}