@article{McACaeBar08,
  author = {J. J. Mc{A}uley and T. S. Caetano and M. S. Barbosa},
  title = {Graph rigidity, cyclic belief propagation and point pattern matching},
  journal = {IEEE Trans. on PAMI},
  year = {2008},
  volume = {30},
  number = {11},
  pages = {2047-2054}
}