1. 3W. A. Klemm, J. Skalny, and J. F. Young ; pp.259 -91 inCements Research Progress , 1976 . American Ceramic Society, Columbus, Ohio, 1976 .
2. 4W. A. Klemm, K. J. Holub, and J. Skalny , "The Effect of Fluxes and Mineralizers in Lowering Cement Kiln Temperatures " Prog. Rep. No. 1, NSF AER 77-07471, July1977 .