title: Evidence for solid carbon dioxide in the upper atmosphere of Mars.
abstract: The infrared spectra recorded by Mariner 6 and 7 show reflections at 4.3 microns. which suggest the presence of solid carbon dioxide in the upper atmosphere of Mars.
authors.forename: K C
authors.initials: KC
authors.lastname: Herr
authors.forename: G C
authors.initials: GC
authors.lastname: Pimentel