1. Leese, J.A.: Implementation Plan for the GEWEX Continental-Scale International Project (GCIP), 1, IGPO Pub. Series 6, 1993.
2. NOAA/SURFRAD: a developing program for systematic measurement of the surface radiation budget.
3. Penner, J.E., R.J Charlson, J.M. Hales, N. Laulainen, R. Leifer, T. Novakov, J. Ogren, L.F. Radke, S.E. Schwartz, and L. Travis: Quantifying and minimizing uncertainty of climate forcing by anthropogenic aerosols, DOE/NBB-0092T, 1993.
4. Sassen, K., C.J. Grund, J.D. Spinhirne, R.M. Hardesty, J.M. Alvarez: The 27–28 October 1986 FIRE IFO Cirrus Case Study: A five lidar overview of cloud structure and evolution, Mon. Weather. Rev. 118, 1990, 2288–2311
5. Grund, C.J.: Scientific and operational considerations affecting the design of unattended cloud and aerosol lidar systems, Lower Tropospheric Profiling: Needs and Technologies, Boulder, CO 9/10–13, 1991, 23–24.