Article Takedown/Update Request

This is an update request for the document Micro-Raman spectral identification of manganese oxides black pigments in an archaeological context in Northern Chile by Marcela Sepúlveda, Sebastián Gutiérrez, Marcelo Campos Vallette, Vivien G. Standen, Bernardo T. Arriaza and José J. Cárcamo-Vega

Your paper was deposited in MUCC (Crossref) and appears online at https://doi.org/10.1186/s40494-015-0061-2
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