A. W. Jasinski. “Activity Diagrams for the MgO-Na2O-K2O-SiO2-AI2O3-H2O-HCI System in the Temperature Range 298 to 623 K and L Bar Pressure: Application to the 1900 Ma Phlogopite-Mg-Chlorite-Sericite Schists of W. Bergslagen, Sweden”. Netherlands Journal of Geosciences (January 1, 1988): 379-395. Accessed April 6, 2026. https://njgjournal.nl/index.php/njg/article/view/13076.