@InProceedings{Perrig99,
  author = 		 {Adrian Perrig},
  title = 		 {Efficient Collaborative Key Management Protocols for Secure Autonomous Group Communication},
  booktitle = 	 {Proceedings of the 1999 International Workshop on
                  Cryptographic Techniques and E-Commerce (CrypTEC '99)},
  pages =        {192-202},
  online =       {\url{http://paris.cs.berkeley.edu/~perrig/projects/secmcast/secmcast.ps}},
  month =        {July},
  year =		 1999
}