You might want to get the Najdorf book about the event.
https://theweekinchess.com/john-watson-reviews/john-watson-book-review-106-zurich-1953-by-najdorf
https://static1.squarespace.com/static/5856bd64ff7c50433c3803db/t/589601ff20099eae9e52da6c/1486225919292/zurich53excerpt.pdf
If anyone has, PLEASE send!