Raman Identification of Pigments in Wall Paintings of the Colonial Period from Bolivian Churches in the Ruta De La Plata oleh Carlos Rúa, Marcela Sepúlveda, Sebastián Gutiérrez, José J. Cárcamo-Vega, Julio Surco-Luque, Marcelo Campos-Vallette, Fernando Guzmán, Paola Conti, Magdalena Pereira