@InProceedings{delfs1997new,
	author = {Delfs, C and Jondral, F},
	title = {New aspects on classification using translation-invariant wavelet packet transforms},
	booktitle = {Proc. 2nd IEEE UK Symp. Appl. Time-Frequency Time-Scale Methods},
	pages = {73–76},
	address = {Warwick, UK},
	year = {1997},
}