@Unpublished{sanchez06efficient:c,
  author = 	 {C\'{e}sar S\'{a}nchez and Henny B. Sipma and Zohar Manna},
  title = 	 {On Efficient Distributed Deadlock Avoidance for Distributed Recursive Processes},
  note = 	 {},
  OPTkey = 	 {},
  OPTmonth = 	 {},
  year = 	 {2006},
  OPTannote = 	 {}
}