1. Goniophotometry of pressed barium sulfate;Billmeyer;Color Eng.,1971
2. Model 550/555 spectroradiometer system instruction manual;EG&G,1977
3. Irradiance measurement errors due to the assumption of a Lambertian reference panel;Kimes;Remote Sens. Environ.,1982
4. A field calibration technique for airborne ice reflectance measurement;Leshkevich,1986
5. Geometrical considerations and nomenclature for reflectance, National Bureau of Standards Monograph 160;Nicodemus,1977