@Article{BenAmramPetersen:06,
  author =       "Amir M. Ben-Amram and Holger Petersen",
  title =        "Backing up in Singly Linked Lists",
  journal =      "Journal of the ACM",
  volume =       "53",
 number =       "4",
 pages =        "681--705",
 month =        july,
  year =         "2005",
  publisher =    "Association for Computing Machinery",
  address =      "New York"
}