Observational Studies of the Solar Intensity Profile in the Far Infrared and Millimeter RegionsDOI: info:10.1007/BF00154241v. 336–46
Noyes, R. W., Beckers, J. M., and Low, F. J. 1968. "Observational Studies of the Solar Intensity Profile in the Far Infrared and Millimeter Regions." Solar Physics, 3 36–46. https://doi.org/10.1007/BF00154241.