Lee, R. B., III, B. R. Barkstrom, and R. D. Cess. Characteristics of the earth radiation budget experiment solar monitors. Optics 26, 3090-3096. Lee, R. B., III, et al. 1990. Luther, M. R., et al.
Solar calibration results from two earth radiation budget experiment nonscanner instruments.
Optics 25, 540-545 . Luther, M. R., J. E. Cooper, and G. R. Taylor. The Earth Radiation Budget Experiment Nonscanner Instrument. Rev. Geophys . Paden, J., et al. 1990.