@Article{BuschDHM00,
  author = 	 {C. Busch and N. Demetriou and M. Herlihy and M. Mavronicolas},
  title = 	 {A Combinatorial Characterization of Properties Preserved by Antitoken},
  journal = 	 {Bulletin of the European Association for Theoretical Computer Science},
  year = 	 2000,
  number =	 71,
  pages =	 {114-132},
  month =	 jun
}