title: Argon Content of the Martian Atmosphere at the Viking 1 Landing Site: Analysis by X-ray Fluorescence Spectroscopy.
abstract: The argon content of the martian atmosphere at the Viking 1 landing site is </= 0.15 millibar or </= 2 percent by volume (95 percent confidence level).
authors.forename: B C
authors.initials: BC
authors.lastname: Clark
authors.forename: P
authors.initials: P
authors.lastname: Toulmin
authors.forename: A K
authors.initials: AK
authors.lastname: Baird
authors.forename: K
authors.initials: K
authors.lastname: Keil
authors.forename: H J
authors.initials: HJ
authors.lastname: Rose