@Article{lamb1882,
  author =       "H. Lamb",
  journal =      "Proc. London Math. Soc.",
  volume =       "13",
  pages =        "187",
  year =         "1882",
}
@Article{HallPR67,
  author =       "J. J. Hall",
  journal =      "Phys. Rev.",
  volume =       "161",
  pages =        "756",
  year =         "1967",
}
@Inbook{eringen,
  author =       "A. C. Eringen and E. S. Suhubi",
  booktitle =	 "Elastodynamics",
  publisher =	 "Academic, New York",
  volume = 	 "II",
  pages = 	 "804-833",
  year =         "1975",
}
@Article{dubrovskiy81,
  author =       "V. A. Dubrovskiy and V.S. Morochnik",
  journal =      "Earth Physics",
  volume =       "17",
  pages =        "494",
  year =         "1981",
}
@Article{Duval86,
  author =       "E. Duval and A. Boukenter and B. Champagnon",
  journal =      "Phys. Rev. Lett",
  volume =       "56",
  pages =        "2052",
  year =         "1986",
}
@Article{Duval92,
  author =       "E. Duval",
  journal =      "Phys. Rev. B",
  volume =       "46",
  pages =        "5795",
  year =         "1992",
}
@Article{Fujii96,
  author =       "M. Fujii and Y. Kanzawa and S. Hayashi and K. Yamamoto",
  journal =      "Phys. Rev. B",
  volume =       "54",
  pages =        "8373",
  year =         "1996",
}
@Article{pautheJMC99,
  author =       "M. Pauthe and E. Bernstein and J. Dumas and L. Saviot and A.
Pradel and M. Ribes",
  title =        "Preparation and characterisation of {Si} nanocrystallites
embedded in a silica matrix",
  journal =      "J. Mater. Chem.",
  volume =       "9",
  pages =        "187-191",
  year =         "1999",
}
@Article{PortalesPRB02,
  author=" H. Portal\`es and L. Saviot and E. Duval and M. Gaudry and E.
  Cottancin and M. Pellarin and J. Lerm\'e and M. Broyer",
  title="Resonant Raman scattering by quadrupolar vibrations of Ni-Ag core-shell
nanoparticles",
  journal="Phys. Rev. B",
  volume="6",
  pages="165422-165426",
  year="2002",
}
@Article{Voisin02,
  author="C. Voisin and D. Christofilos and N. Del Fatti and F. Vall\'ee",
  journal="Physica B",
  volume="316-317",
  pages="89-94",
  year="2002",
}
@Article{Chen00,
  author="W. Q. Chen and J. B. Cai and 
  G. R. Ye and H. J. Ding",
  title="On Eigenfrequencies of an Anisotropic Sphere",
  journal="ASME J. Appl. Mech.",
  volume="67",
  pages="422-424",
  year="2000",
}
@Article{Visscher91,
  author="W. M. Visscher and A. Migliori and 
  T. M. Bell and R. A. Reinert",
  journal="J. Acoust. Soc. Am.",
  volume="90",
  pages="2154-2161",
  year="1991",
}
@Article{Tamura82,
  author="A. Tamura and K. Higeta and T. Ichinokawa",
  title="Lattice vibrations and specific heat of a small particle",
  journal="J. Phys. C: Solid State Phys.",
  volume="15",
  pages="4975-4991",
  year="1982",
}
@Article{Ovsyuk96,
  author="N. N. Ovsyuk and V. N. Novikov",
  title="Influence of a glass matrix on acoustic phonons confined in microcrystals",
  journal="Phys. Rev. B",
  volume="53",
  pages="3113-3118",
  year="1996",
}
@Article{Sokolov92,
  author="A. P. Sokolov and A. Kisliuk and M. Soltwisch and D. Quitmann",
  journal="Phys. Rev. Lett",
  volume="69",
  pages="1540",
  year="1992",
}
@Article{sato62,
  author="Y. Sato and T. Usami",
  journal="Geophys. Mag.",
  volume="31",
  pages="15",
  year="1962",
}
@Article{mcdaniel00,
  author="J. G. McDaniel and R. G. Holt",
  journal="Phys. Rev. E Rapid Comm",
  volume="61",
  pages="R2204",
  year="2000",
}
@Article{stillinger85,
  author="F. H. Stillinger and T. A. Weber",
  title="Computer simulation of local order in condensed phases of silicon
  cofrest stillinger85.prb  //asm.mit.edu/caiwei/papers/stillinger85prb.pdf ",
  journal="Phys. Rev. B",
  volume="31",
  pages="5262-5271",
  year="1985",
}
@misc{mitri03,
  author="F. Mitri",
  year= "2003",
  howpublished = "private communication",
}
@Article{Verma99,
  author="Prabhat Verma and W. Cordts and G. Irmer and J. Monecke",
  journal="Phys. Rev. B",
  volume="60",
  pages="5778",
  year="1999",
}
@Article{montagna95,
  author="M. Montagna and R. Dusi",
  journal="Phys. Rev. B",
  volume="52",
  pages="10080",
  year="1995",
}