{"id":"herbert2004bletchley","DOI":"10.4324/9780203488546-19","URL":"https://www.independent.co.uk/news/uk/this-britain/bletchley-park-tries-to-crack-a-250-year-mystery-do-10-letters-at-stately-home-lead-to-holy-grail-5355946.html","type":"article-journal","title":"Bletchley Park tries to crack a 250-year mystery: Do 10 letters at stately home lead to Holy Grail?","author":[{"given":"Ian","family":"Herbert"}],"issued":{"date-parts":[[2004]]},"year-text":"2004","container-title":"The Independent, 12 May 2004","catalog-key":"SRC0D1M8WG86E5J"}