@TechReport{	  KW93,
  author	= {Thomas Kaeppner and Lars C. Wolf},
  title		= {Architecture of HeiPhone: A Testbed for Audio/Video
		  Teleconferencing},
  institution	= {IBM European Networking Center},
  year		= {1993},
  type		= {Technical Report},
  number	= {43.9316},
  address	= {Heidelberg, Germany},
  url		= {ftp://ftp.kom.e-technik.tu-darmstadt.de/pub/papers/ibm-enc/heiphone.ps.gz}
		  
}