High reflective CoxCr1-x/C multilayer mirror for using X-ray photoemission spectroscopy in the wavelength region around 6 nm H. Takenaka, K. Nagai, H. Ito, S. Ichimaru, T. Ohchi, Y. Muramatsu et E.M. Gullikson J. Phys. IV France, 104 (2003) 255-258 DOI: 10.1051/jp4:200300074