(Genev a and Boston )International Conference on Composite Materials (Paris )International Conference on Comosite Materials ( Toronto Canada )Interantional Conference on conmposite materials Proceedings of the 1975 International Conference on Composite Materials International Conference on Composite Materials International Conference on Comosite Materials Interantional Conference on conmposite materials (Reston)The International Conference on Wear of Materials (Tennessee)ASM International Conference on Tribology of composite materials (Houston,Texas)International Conference on Wear of Materials