Argon Content of the Martian Atmosphere at the Viking 1 Landing Site: Analysis by X-ray Fluorescence Spectroscopy.
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).
Clark
B C
BC
Toulmin
P
P
Baird
A K
AK
Keil
K
K
Rose
H J
HJ