@INPROCEEDINGS{Sani2012, 
	author={Gregori, E. and Improta, A. and Lenzini, L. and Rossi, L. and Sani, L.}, 
	booktitle={Informatica Quantitativa (InfQ) Workshop}, 
	title={Selecting new BGP Feeders to Address the Incompleteness of the Internet AS-level Graph }, 
	year={2012}, 
	month={july}
}