(Toulcuse)International Colloquium on Solar Cells International Colloquium on Solar Cells (Wash)International Symposium on Solar Energy International colloquium on Xray lasers (Tokyo)International Colloquium on Stability(2) International Colloquium on Stability International Symposium on Fuel Cells International Colloquium on Automata International Symposium on Solar Energy Proceedings of the International Symposium on Solar Energy