@article{31858,
      note = {Includes index.},
      author = {Whitfield, Philip.},
      url = {http://library.usi.edu/record/31858},
      title = {The biology of parasitism : an introduction to the study  of associating organisms /},
      publisher = {University Park Press,},
      recid = {31858},
      pages = {x, 277 p. :},
      address = {Baltimore :},
      year = {1979},
}