Proceedings of the fourth International Conference on Science of Ceramics /

por International Conference on "Science of Ceramics" (4th : 1967 Apr. 23-27 : Maastricht, Neherlands)
Publicado 1968.

Proceedings of the third Conference of the British Ceramic Society and the Nederlandse Keramische Vereniging /

por Conference of the British Ceramic Society and the Nederlandse Keramische Vereniging (3rd : 1965 July 5-8 : University of Bristol)
Publicado 1967.