1. Spectral Radiance of Sky and Terrain at Wavelengths between 1 and 20 Microns I Instrumentation*
2. Spectral Radiance of Sky and Terrain at Wavelengths between 1 and 20 Microns II Sky Measurements*
3. MCCLATCHEY, R. A., R. W. FENN, J. E. A. SELBY, F. E. VOLZ & J. S. GARING, AFCRL Report 72–0497.
4. SELBY, J. E. A. & R. A. MCCLATCHEY, AFCRL Report 72–0745.
5. ELTERMAN, L., AFCRL Environmental Res. Paper, 285, 68–0153.