Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Q. S. Liu and J. Torrent and V. BarrĂ³n and Z. Q. Duan and J. Bloemendal,Quantification of hematite from the visible diffuse reflectance spectrum: effects of aluminium substitution and grain morphology,Clay Minerals,0009-8558,Mineralogical Society,2011-03,46,1,137-147,https://cir.nii.ac.jp/crid/1364233268628546304,https://doi.org/10.1180/claymin.2011.046.1.137