Emittance measurements on infrared windows exhibiting wavelength dependent diffuse transmittance
S. E. Hatch
Applied Optics, Vol. 1, Issue 5, pp. 595-601

Citation
S.E. Hatch, “Emittance measurements on infrared windows exhibiting wavelength dependent diffuse transmittance,” Appl. Opt. 1, 595-601 (1962)