@book{30136,
	author = {Haygarth, P. M.},
	title = {Agriculture, hydrology, and water quality /},
	publisher = {CABI Pub.,},
	year = {c2002.},
	address = {Wallingford, UK ;},
	url = {http://www.loc.gov/catdir/toc/fy041/2001005591.html}
}