rdf-syntax-grammar
mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    non sort: The
    title: four-colour problem: assaults and conquest
  name:
    name part: Saaty, Thomas L
    role:
      role term: creator
    role:
      role term: author
  name:
    name part: Kainen, Paul C
    role:
      role term: author
  type of resource: text
  origin info:
    place:
      place term: US
    place:
      place term: Nueva York
    publisher: McGraw-Hill
    date issued: 1977
    issuance: monographic
  language:
    language term: eng
  physical description:
    extent: 217 p
  note: last modification 19990326 00:00:00 Rodrigo Vera
  subject:
    topic: Teoría de grafos
  subject:
    topic: GRAFICAS TOPOLOGICAS
  subject:
    topic: Mapas
  subject:
    topic: Gráficas
  classification: 511.5 SAA
  record info:
    record creation date: 990326
    record identifier: UCP1044