@article{39827,
      recid = {39827},
      author = {Greeson, Phillip E.},
      title = {Biota and biological principles of the aquatic environment  /},
      publisher = {U.S. Dept. of the Interior, Geological Survey,},
      address = {[Reston, Va.] :},
      pages = {vi, 49 p. :},
      year = {1982},
      url = {http://library.usi.edu/record/39827},
}