Whole Disk Observations of Jupiter, Saturn and Mars in   Millimeter--Submillimeter Bands
  Whole disk brightness ratios for Jupiter, Saturn, and Mars are reported at 5.7, 9.5, 16.4, and 22.5 cm$^{-1}$. Using models for the brightness temperature of Mars, the whole disk brightness temperatures for Jupiter and Saturn are also given for the four frequencies. 
A.B. Goldin, M.S. Kowitt, E.S. Cheng, D.A. Cottingham, D.J. Fixsen,   C.A. Inman, S.S. Meyer, J.L. Puchalla, J.E. Ruhl, and ...