@article{Hanzo2013,
  author    = {Micheline Hanzo},
  title     = {Le stratotype de l'Hettangien : une coupe prot{\´e}g{\´e}e, d'autres sites {\`a} pr{\´e}server...},
  journal   = {Le Naturaliste Vend{\´e}en},
  volume    = {3},
  pages     = {89 -- 92},
  year      = {2013},
}