@conference {cCasas96, title = {A feature-based subband coding schene}, booktitle = {THE 1996 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH \& SIGNAL PROCESSING}, year = {1996}, pages = {2357{\textendash}2360}, isbn = {0-7803-3192-3}, author = {Casas, J. and Torres, L.} }