Scott, D.C., R.L. Herman, C.R. Webster, R. May, G. Flesch, and E.J. Moyer (1999), Airborne Laser Infrared Absorption Spectrometer (ALIAS-II) for in situ atmospheric measurements of N2O, CH4, CO, HCl, and NO2 from balloon or remotely piloted aircraft platforms, Appl. Opt., 38, 4609-4622.