@book{131272,
	author = {National Research Council (U.S.) and National Research Council (U.S.).},
	title = {Assessing the relationship between propagule pressure and invasion risk in ballast water},
	publisher = {National Academies Press,},
	year = {2011.},
	address = {Washington, D.C. :},
	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://site.ebrary.com/lib/rucke/Doc?id=10500212}
}