[Journal of the Physical Society of Japan Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2013) - Tokyo, Japan (August 5-9, 2013)] Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2013) - Multipole Order and Fluctuation in Ce 0.7 La 0.3 B 6 Studied by Resonant X-ray Diffraction