1. S. Lovejoy, Science 216, 185 (1982). See also “The statistical characterization of rain areas in term of fractals” by the same author in proc. 10th Conf. on Radar Meteorology, A.M.S., Boston, 1981.
2. B. Mandelbrot, “The fractal geometry of nature,” W. H. Freeman, New York, 1977.
3. F. Hausdorff, Math. Annalen 79, 157 (1918).
4. John W. Wallace and Peter V. Hobbs, “Atmospheric Science,” Academic Press, New York, 1977.
5. M. S. Longmire, “A final technical report on calibration and use of clutter data for simulation,” Western Kentucky University, Bowling Green, KY 42101.