“…Observations have been reported and discussed by Donahue and Meier [1967], Gadsden [19696], Gadsden and Purdy [1970], Hunten and Godson [1967a], and Hunten and Wallace [1967]. Kvifte and Wallace [1970] have published the results of calculations of the radiative transfer of this resonance doublet. The implications of the observational data on theories of atmospheric composition, transport, and dust have also been discussed by Allen [1970], Donahue [19676], Gadsden [1968Gadsden [ , 1970, Geisler and Dickinson [1967], Hanson and Donaldson [1967], and Hunter, and Godson [19676].…”