Proceedings of the Conference on Nuclear Applications of Nonfissionable Ceramics spons. jointly by the Materials Science and Technology Div., American Nuclear Soc. and Refractories Div., American Ceramic Soc. Washington, D.C., May 9 - 11, 1966. Held in conjunction with the 68th annual meeting of the American Ceramic Soc. (American Nuclear Soc., 1966)