J. Neumann, Schnörr, C., and Steidl, G.,
“Effectively Finding the Optimal Wavelet for Hybrid Wavelet - Large Margin Signal Classification”, Dept. Math. and Comp. Science, University of Mannheim, Germany, 5, 2003.
S. Hader and Hamprecht, F. A.,
“Efficient Density Clustering”,
Between Data Science and Applied Data Analysis. Springer, pp. 39-48, 2003.