Carrión, P., H. M. de Oliveira, and R. M. Campello de Souza.
" A Low-throughput Wavelet-based Steganography Audio Scheme." <em>Companion Proceedings of the 8th Brazilian Symposium on Information and Computational Systems Security,
Gramado/RS, 2008</em>. SBC, 2008,  
pp.259-260.