1. AUSTIN, G.L., M.M. Riley and E.H. Ballantyne, 1983: 21st Conference on Radar Meteorology.
2. BELLON, A., and G.L. Austin, 1978: J. App. Met. 17, 1778–1787.
3. MARSHALL, J.S., and S. Radhakant, 1978: J. App. Met. 17, 206–212.
4. COLLIER, C.G., S. Lovejoy, and G.L. Austin, 1980 : 19th Radar Conference 44–47.
5. Mc Goven, W.E., and R.E. Saffle, 1984: 22nd Radar Conference, 188–191.