@article{158912,
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/158912},
      title = {Subsystems of steps for tasks in the epidemiology work  system [microform]},
      publisher = {HHS, PHS, CDC,},
      recid = {158912},
      pages = {32 p. :},
      address = {[Atlanta, Ga.?] :},
      year = {1980},
}