@Article{AgrawalEtAl07-ACMTOS,
           title = "{A Five-Year Study of File-System Metadata}",
          author = "Nitin Agrawal and William J. Bolosky and John R. Douceur and Jacob R. Lorch",
         journal = "ACM Transactions on Storage ",
           pages = "",
           month = "October",
            year = "2007",
          volume = "3",
          number = "3",
}