@inproceedings{88b9234a67,
	author = {Kurtansky, Pascal and Stiller, Burkhard},
	booktitle = {LNCS},
	month = {jan},
	pages = {143-154},
	publisher = {Springer},
	title = {State of the Art Prepaid Charging for IP Services},
	volume = {3970},
	year = {2006}
}