1. Computer-Aided Multivariate Analysis;Afifi,1990
2. Cry, G.W., 1967. Effects of tropical cyclone rainfall on the distribution of precipitation over the eastern and southern United States. US Department of Commerce, Environmental Science Services Administration Professional Paper 1, 67p.
3. Mixed flood distributions in Wisconsin;Diehl,1987
4. The relationship between drainage basin area and annual peak-flood seasonality in the southeastern United States;Gamble;Southeast Geogr.,1997
5. Regions, models and classes;Grigg,1967