1. Strength development in magnesium oxychloride and other cements
2. 4(a) Encyclopedia of Technical Chemistry (Enzyklopaedie der Technischen Chemie ), 2d ed. , Vol. 7 ; p. 429 . Fritz Ullmann . Urban and Schwarzenberg, Berlin-Vienna, Federal Republic of Germany, 1931 .
3. (b)Ullmann's Encylopedia of Technical Chemistry (Ullmanns Enzyklopadie der Technischen Chemie) , 3d ed. , Vol. 9 ; p. 568 . Wilhelm Foerst . Urban and Schwarzenberg, Munich-Berlin, Federal Republic of Germany, 1957 .