1. Contributions to Order Statistics;Sarhan,1962
2. Order statistics;David,1970
3. J. Tukey, Nonlinear (nonsuperposable) methods for smoothing data, In Cong. Rec., EASCON, 1974, p. 673.
4. Exploratory Data Analysis;Tukey,1977
5. The analog median filter;Fitch;Trans. Circuits Systems,1986