@article{126954,
      recid = {126954},
      author = {Fenner, Frank,},
      title = {Smallpox and its eradication /},
      publisher = {World Health Organization,},
      address = {Geneva :},
      pages = {xvi, 1460 p. :},
      year = {1988},
      note = {Includes indexes.},
      url = {http://library.usi.edu/record/126954},
}