@article {65978,
	title = {A cross-layer watermarking-based mechanism for data aggregation integrity in heterogeneous WSNs},
	journal = {IEEE Communications LettersIEEE Communications Letters},
	volume = {19},
	year = {2015},
	month = {2015},
	pages = {823-826},
	isbn = {1089-7798},
	author = {Djallel Eddine Boubiche and Sabrina Boubiche and Azeddine Bilami}
}
