@article{PB 88-9170001,
      note = {Cover title.},
      url = {http://library.usi.edu/record/185145},
      title = {Commercial emergency medical service helicopter operations  [microform] /},
      publisher = {The Board ;},
      number = {PB 88-9170001},
      recid = {185145},
      pages = {iv, 130 p. :},
      address = {Washington, D.C. :},
      year = {1988},
}