@book{barbut1970ordre,
  address = {Paris},
  author = {Barbut, Marc and Monjardet, Bernard},
  interhash = {f65c94123e11a824839be132f5e62406},
  intrahash = {0c47fb932a00db6dc8b83bae33776a4b},
  publisher = {Hachette},
  refid = {760991890},
  title = {Ordre et classification : algèbre et combinatoire},
  url = {http://www.worldcat.org/title/ordre-et-classification-algebre-et-combinatoire/oclc/760991890?referer=di&ht=edition},
  year = 1970
}