@article{SampietroVattuone:69618,
      author        = "Sampietro Vattuone, M.M. and Martínez Stagnaro, S. and
                       García Giménez, R. and Peña Monné, J.L. and Roldán, J.
                       and Maldonado, M.G.",
      title         = "{Graves, beads, and trade in Northwest Argentina: A first
                       ED-XRF characterization of very well-formed objects}",
      year          = "2017",
}