1. Fujita, T. T. "Spearhead echo and downburst near - the approach end of a John F. Kennedy airport runway,NYC',Satellite&MesometeorologyResearch Project, 137,Dept. of the Geophysical Sciences,Univ. of Chicago, 1976.
2. Bray, R. S. "Asimple microburstwind model f@ruse inpilotedsimulation",AIM22ndAerospaceSciences Meeting, Report 0357,Jan. 1984.
3. Zhu, S., and B. Etkin, "Fluid dynamic model of a downburst", UTIAS Report 271, Institute for Aerospace Studies,Univ. of Toronto, 1983.
4. A ring-vortex downburst model for flight simulations