@INPROCEEDINGS {3702,
author={T. Brandão and M.P. Queluz and A. J. Rodrigues},
doi={},
booktitle={IS&T/SPIE - Electronic Imaging},
title={Performance improvement of spatial watermarking through efficient non-binary channel coding},
year={2001},
month={January},
volume={4314},
pages={651-662} 
}