1. Abraham, L. G., B. B. Barrow, W. M. Cowan, and R. M. Gallant, 1967: Tropospheric scatter multipath tests in the Caribbean. Sylvania Electronic Systems, Applied Research Laboratory, Waltham, Mass., May 1967.
2. Astheimer, R. W., 1964: An infrared technique for the remote detection of clear air turbulence. Proceedings of Third Symposium on Remote Sensing of Environments, Oct. 1965, pp. 105–23, Institute of Science and Technology, University of Michigan.
3. Astheimer, R. W., 1968: The remote detection of clear air turbulence by infrared radiation. Proc. Symposium on Clear Air Turbulence and Its Detection. Plenum Press, p. 436.
4. Atlas, D., 1964: Advances in Radar Meteorology. Advances in Geophysics, 10, Pergamon Press, New York, 317–478.
5. Atlas, D., K. R. Hardy, and K. Naito, 1966a: Optimizing the radar detection of clear air turbulence. J. Applied Meteorology, 5, 450–460.