1. Fabrication of high-field zinc oxide varistors by sol-gel processing;Lauf;Am. Ceram. Soc. Bull.,1984
2. ZnO varistors made from powders produced using a urea process;Sonder;Am. Ceram. Soc. Bull.,1986
3. Characterization of varistor-type raw materials prepared by the evaporative decomposition of solutions technique;Ivers-Tiffée;Am. Ceram. Soc. Bull.,1987
4. Zinc oxide varistors made from powders prepared by amine processing;Hishita;J. Am. Ceram. Soc.,1989
5. Electrical properties of doped ZnO ceramics obtained by controlled chemical synthesis of powders;Simões,1988