[1] VSBM, AF Res Lab, Bedford, MA 01731 USA
[2] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
[3] NASA, Langley Res Ctr, Div Atmospher Sci, Hampton, VA 23681 USA
[4] Univ Denver, Dept Phys, Denver, CO 80208 USA
[5] Natl Ctr Atmospher Res, Boulder, CO 80307 USA
[6] Univ Paris 11, Photophys Mol Lab, CNRS, F-91405 Orsay, France
[7] Univ Paris 06, LPMA, F-75252 Paris 05, France
[8] Ontar Corp, N Andover, MA 01845 USA
[9] Univ Lowell, Dept Environm Earth & Atmospher Sci, Lowell, MA 01854 USA
[10] Utah State Univ, Stewart Radiance Lab, Bedford, MA 01730 USA
[11] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[12] SUNY Stony Brook, Stony Brook, NY 11794 USA