@article{414645,
      recid = {414645},
      author = {Raven, Peter H.},
      title = {A biological survey for the nation [electronic resource]  /},
      publisher = {National Academy Press,},
      address = {Washington, D.C. :},
      pages = {xv, 205 p. :},
      year = {1993},
      note = {Committee chairman: Peter H. Raven.},
      url = {http://library.usi.edu/record/414645},
}