An Upper Limit to the Concentration of NO_{2} and N_{2}O_{4} in the Martian Atmosphere

William M. Sinton
1961 Publications of the Astronomical Society of the Pacific  
Kiess, Karrer, and Kiess have recently proposed a new explanation of Martian phenomena based upon spectra obtained by Kiess and Corliss that supposedly show general absorption by
doi:10.1086/127636 fatcat:kuc37pg24raxbkaxlcbicijcku