@INPROCEEDINGS{cadena2011ifac,
  author = {C. Cadena and J. McDonald and J.J. Leonard and J. Neira},
  title = {Place Recognition using Near and Far Visual Information},
  booktitle = {18th World Congress of the {I}nternational {F}ederation of {A}utomatic
	{C}ontrol ({IFAC})},
  year = {2011},
  address = {Milano, Italy},
  month = {August},
  fullauthor = {Cesar Cadena and John McDonald and John J. Leonard and Jos{\'e} Neira},
}