@article{Peltier06b,
  author = {S. Peltier and S. Alayrangues and L. Fuchs and J.-O. Lachaud},
  title =   {Computation of homology groups and generators},
  journal = "Computers \& Graphics",
  volume = 30,
  number = 1,
  pages = {62-69}, 
  year = 2006
}