1. Optical constants for thin films of C, diamond, Al, Si, and CVD SIC from 24 Å to 1216 Å Applied Optics, Vol. 27 Issue 2, pp.279-295 (1988) Windt, David L; Cash Jr , Webster C; Scott, M; Arendt, P; Newnam, Brian; Fisher, R F; Swartzlander, A B; Takacs, P Z; Pinneo, J M http://www.opticsinfobase.org/ao/abstract.cfm?uri=ao-27-2-279