@article{164628,
      author = {Ewald, Paul W.},
      url = {http://library.usi.edu/record/164628},
      title = {Evolution of infectious disease /},
      publisher = {Oxford University Press,},
      recid = {164628},
      pages = {vii, 298 p. :},
      address = {Oxford [England] ;},
      year = {1994},
}