Low-temperature, directional, spectral emissivity of translucent solids
Dwight Weber
JOSA, Vol. 50, Issue 8, pp. 808- (1960)

Citation
D. Weber, “Low-temperature, directional, spectral emissivity of translucent solids,” J. Opt. Soc. Am. 50, 808- (1960)
http://www.opticsinfobase.org/abstract.cfm?URI=josa-50-8-808