@inproceedings{inproceedings389c5ed2,
title   = {Nonnegative factorization of sequences of speech and music spectra},
author = {Arjona Ramírez, Miguel},
year = {2014},
doi = {10.1109/ITS.2014.6948021},
publisher = {IEEE},
booktitle   = {International Telecommunications Symposium (ITS)}
}