TOP
  keywords
    content
      full-text
        title
          book-title
          article-title
          series-title
        abstract
        subject-descriptor
      journal-title
    initiator
      author-name
      editor-name
      corporate
      conference
    publisher
      publisher-name
      publisher-address
  date
    entry-date
    publication-date
  meta
    issn
    isbn
    crc
    volume
    number
    edition
