1. Dutton, E.J. and Dougherty, H.T. "Modeling the Effects of Cloud and Rain upon Satellite-to-Ground System Performance," OT Report 73-5, Office of Telecommunications, Boulder, CO, March 1973.
2. Dutton, E. J."Earth Space Attenuation Prediction Procedure a t 4 to 16 GHz," OT Report 77-123, Office of Telecommunications, Boulder, CO, May 1977.