@InProceedings{	  cederquist.ea:risk:2011,
  author	= {Jan Cederquist and Mohammad Torabi Dashti and Yanjing
		  Wang},
  booktitle	= {Formal Aspects of Security & Trust (FAST 2011)},
  language	= {USenglish},
  publisher	= {Springer},
  title		= {Risk balance in optimistic non-repudiation protocols},
  year		= 2011,
  user		= {torabidm}
}