Infrared probe of metal-insulator transition in x and x amorphous alloys in magnetic fieldD. N. Basov, A. M. Bratkovsky, P. F. Henning, B. Zink, F. Hellman, Y. J. Wang, C. C. Homes and M. StronginEurophys. Lett., 57 2 (2002) 240-246DOI: https://doi.org/10.1209/epl/i2002-00567-2