b[:day]  = c['issued']['date-parts'][0][2] if c['issued'] && c['issued']['date-parts'] && c['issued']['date-parts'][0] && c['issued']['date-parts'][0][2]
      b[:year] = c['issued']['date-parts'][0][0] if c['issued'] && c['issued']['date-parts'] && c['issued']['date-parts'][0] && c['issued']['date-parts'][0][0]