1. P.K. Davies, in Materials and Processes for Wireless Communications, ed. T. Negas and H. Ling, Ceramic Transactions, Vol. 53, p. 137, American Ceramic Society, Westerville, OH (1995).
2. T. Negas, G. Yeager, S. Bell, and R. Amren, in Chemistry of Electronic Ceramic Materials, ed. P.K. Davies and R.S. Roth, NIST Special Publication 804, p. 21 (1990).
3. Effect of Sn Substitution on Cation Ordering in (Zr1-xSnx)TiO4 Microwave Dielectric Ceramics
4. Ca5Nb2TiO12 and Ca5Ta2TiO12: low temperature coefficient low loss dielectric materials
5. R.S. Roth, unpublished results.