@conference {Prelcic02a,
	title = {Smooth Orthogonal Signal Extensions for Paraunitary Tree-structured Filter Banks},
	booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
	year = {2002},
	month = {May},
	address = {Orlando, USA},
	author = {M. Elena Dom{\'\i}nguez-Jim{\'e}nez and Nuria Gonz{\'a}lez-Prelcic}
}
