✓

@Book{            book:599981,
  Author        = "Ulam, Stanislaw",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  Keywords      = "readme and autobiography",
  Location      = "599000/5223165f4c9f9cdc80b9dd708c9cfed9",
  md5           = "5223165F4C9F9CDC80B9DD708C9CFED9",
  resid         = "599981",
  size          = "3914802",
  status        = "OK",
  Title         = "Adventures of a mathematician",
  Type          = "djvu",
  URL           = "599000/5223165f4c9f9cdc80b9dd708c9cfed9",
  bdsk-url-1    = "599000/5223165f4c9f9cdc80b9dd708c9cfed9",
  File          = "Ulam S. Adventures of a mathematician (0) - a - a.pdf",
  file-2        = "Ulam S. Adventures of a mathematician (0) - a - a.djvu"
}

@Book{ book:599981, Author = "Ulam, Stanislaw", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", Keywords = "readme and autobiography", Location = "599000/5223165f4c9f9cdc80b9dd708c9cfed9", md5 = "5223165F4C9F9CDC80B9DD708C9CFED9", resid = "599981", size = "3914802", status = "OK", Title = "Adventures of a mathematician", Type = "djvu", URL = "599000/5223165f4c9f9cdc80b9dd708c9cfed9", bdsk-url-1 = "599000/5223165f4c9f9cdc80b9dd708c9cfed9", File = "Ulam S. Adventures of a mathematician (0) - a - a.pdf", file-2 = "Ulam S. Adventures of a mathematician (0) - a - a.djvu" }