@inproceedings {Briscoe99c:Nark,
	title = {Nark: Receiver-based Multicast Non-repudiation and Key Management},
	journal = {Proc. ACM E-Commerce (EC{\textquoteright}99)},
	year = {1999},
	month = {11/1999},
	keywords = {access control, Audit, Broadcast, Data Communication, Encryption, Group Communication, Key Management, multicast, networks, Non-Repudiation, Privacy, Security},
	url = {http://www.bobbriscoe.net/projects/charging/content/nark/nark_ec99.pdf},
	author = {Briscoe, Bob and Fairman, Ian}
}
@techreport {Briscoe99g:Nark_tr,
	title = {Nark: Receiver-based Multicast Non-repudiation and Key Management},
	number = {TR-NZG12-1999-001},
	year = {1999},
	month = {06/1999},
	publisher = {BT},
	type = {Technical Report},
	keywords = {access control, Audit, Broadcast, Data Communication, Encryption, Group Communication, Key Management, multicast, networks, Non-Repudiation, Privacy, Security},
	url = {http://www.bobbriscoe.net/projects/charging/content/nark/nark_tr.pdf},
	author = {Briscoe, Bob and Fairman, Ian}
}
