Analysis of ochres from Clearwell Caves: the role of particle size in determining colour

Autor: Marshall, Lisa-Jane R., Williams, Joanne R., Almond, Matthew J., Atkinson, Samantha D.M., Cook, Samantha R., Matthews, Wendy, Mortimore, Joanne L.
Zdroj: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2005 61(1):233-241
Databáze: ScienceDirect