1. L. Borup, M. Nielsen, Approximation with brushlet systems, J. Approx. Theory, to appear
2. Time-frequency localization with non-stationary wavelet packets;Cohen,1996
3. Size properties of wavelet-packets;Coifman,1992
4. A simple Wilson orthonormal basis with exponential decay;Daubechies;SIAM J. Math. Anal,1991
5. Wavelets in wandering subspaces;Goodman;Trans. Amer. Math. Soc,1993