@InProceedings{Cristescu2006Network,
	 author =	{Razvan Cristescu and Baltasar Beferull-Lozano and Martin Vetterli and Roger Wattenhofer},
	 title =	{{Network correlated data gathering with explicit communication: NP-completeness and algorithms}},
	 booktitle =	{{IEEE/ACM Transactions on Networking (TON), Volume 14, Issue 1}},
	 month =	{February},
	 year =		{2006}
}