1. Detection of molecular oxygen in the Martian atmosphere;Barker;Nature (London),1972
2. Mars: detection of atmospheric water vapor during the southern hemisphere spring and summer season;Barker;Science,1970
3. Free radicals in the atmospheres of Mars and Venus;Barth;Ber. Bunsenges. Phys. Chem.,1974
4. The atmosphere of Mars.;Barth;Annu. Rev. Earth Planet. Sci.,1974
5. Ozone and the polar hood of Mars.;Barth;Icarus,1974