@InProceedings{l12-p109-120,
  AUTHOR	= {Ana Busic and Nazim Fat\`es and Jean Mairesse and Irene Marcovici},
  TITLE		= {Density Classification on Infinite Lattices and Trees},
  BOOKTITLE	= {Proc.~of the 10th Latin American Symposium on Theoretical Informatics (LATIN'12)},
  PAGES		= {109--120},
  YEAR		= 2012,
  ADDRESS	= {Arequipa, Peru},
  KEYWORDS	= {}}