TY - RPRT TI - Optical constants from mirror reflectivities measured at synchrotrons AU - Blake, R. L. AU - Davis, J. C. AU - Burbine, T. H. AU - Graessle, D. E. AU - Gullikson, E. M. PY - 1993 UR - https://ntrs.nasa.gov/citations/19930055622 ID - 19930055622 ER -