{"id":"laville2004bletchley","URL":"https://www.theguardian.com/uk/2004/may/12/arts.artsnews2","type":"article-journal","title":"Bletchley veterans tackle 'toughest puzzle yet'","author":[{"given":"Sandra","family":"Laville"}],"issued":{"date-parts":[[2004]]},"year-text":"2004","container-title":"The Guardian, 12 May 2004","catalog-key":"SRC0D1M8W8E3JN3"}