@book{28660,
	author = {Black, Kenneth D.,},
	title = {Environmental impacts of aquaculture /},
	publisher = {Sheffield Academic Press,},
	year = {c2001.},
	series = {Sheffield biological sciences},
	address = {Sheffield :},
	url = {http://www.loc.gov/catdir/enhancements/fy0646/00029762-d.html}
}