@book{35,
  editor = {G. Keller},
  title = {Chicxulub: Field Guide to Cretaceous-Tertiary boundary sections in NE Mexico},
  year = {2008},
  journal = {Il Simposio Geoscientifico Internacional},
  publisher = {Universidad Aut{\'o}noma de Nuevo Le{\'o}n},
  address = {Linares Campus},
  language = {eng},
}