SAMPIETRO VATTUONE, M. M.; MARTÍNEZ STAGNARO, S.; GARCÍA GIMÉNEZ, R.; PEÑA MONNÉ, J. L.; ROLDÁN, J.; MALDONADO, M. G. Graves, beads, and trade in Northwest Argentina: a first ED-XRF characterization of very well-formed objects. Arqueología, v. 23, n. 1, p. 27-43, 11.