@article {abrardo06,
	title = {Improving the performance of RDM watermarking by means of trellis coded quantisation},
	journal = {IEE Proceedings on Information Security},
	volume = {153},
	number = {3},
	year = {2006},
	month = {September},
	pages = {107-114},
	keywords = {data-hiding, watermarking},
	author = {Andrea Abrardo and Mauro Barni and Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera}
}
