Stull Si:Al Charts

Influences of Variable Silica and Alumina on Porcelain Glazes

R. T. Stull
Transactions of the American Ceramic Society, Volume 14, pages 62-70.
https://books.google.com/books?id=9qwYAQAAIAAJ

Linked paper here

Deformation Temperatures of Some Porcelain Glazes

R. T. Stull & W. L. Howat
Transactions of the American Ceramic Society volume 16
https://books.google.com/books?id=UmlLAAAAMAAJ&dq=Transactions%20of%20the%20American%20Ceramic%20Society%20volume%20xvi&q=stull%20howat#v=snippet&q=stull%20howat&f=false

Glaze Development with Application of Unity Molecular Formula

Hyunggoo No, Soomin Kim, Ungsoo Kim†, Wooseok Cho
Korea Institute of Ceramic Engineering & Technology, Icheon 17303, Korea
https://www.e-sciencecentral.org/articles/SC000019901

Influence of Variable Alumina and Silica on the Relative Viscosity of a Porcelain Glaze

Sidney Sewell
BS Thesis, University of Illinois, 1914