1. Department
of Chemistry and Biochemistry, Montana State University, 103 Chemistry/Biochemistry
Building, Bozeman, Montana 59717, United States
2. Atmospheric
and
Space Technology Research Associates (ASTRA), 5777 Central Avenue, Suite 221, Boulder, Colorado 80301, United States
3. Jet
Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, United States