D.R. Neuville, L. Cormier, D. Massiot Geoch. Cosm. Acta 68 5071-5079 (2004)
Load the 'CaAlGlass.fxmla' [File/Open], drag and drop or double click.
wait for the computation do be done (it takes time...)
Load the 'CaAlGlass.fxmla' file [File/Open], drag and drop or double click
switch to Contour plot if needed
The fit consist in 2 lines for the 2 central transitions of AlIV and AlV