@article{444684,
      note = {"Committee on Assessing Numeric Limits for Living  Organisms in Ballast Water, Water Science and Technology  Board, Division on Earth and Life Studies."},
      url = {http://library.usi.edu/record/444684},
      title = {Assessing the relationship between propagule pressure and  invasion risk in ballast water [electronic resource] /},
      publisher = {National Academies Press,},
      recid = {444684},
      pages = {xii, 144 p. :},
      address = {Washington, D.C. :},
      year = {2011},
}