1. “Fluidized Molding Material for Manufacturing Cores and Molds and a Method Therefor”, U.S. Patent 3,600.203.
2. “Verfahren zur Verkőurzuung der Abbindezeit von Tonerdezementen” Reichspatentamt Patentschrift, Deutschland, Nr. 648851.
3. “Setting and Hardening of Aluminous Cement,”,U.S. Patent 3,826.665.
4. Proceedings Third International Symposium on the Chemistry of Cement;Parker,1954
5. The chemistry of hydration of high alumina cement in the presence of accelerating and retarding admixtures