@book{29044,
	author = {Tunney, H.},
	title = {Phosphorus loss from soil to water /},
	publisher = {CAB International,},
	year = {c1997.},
	address = {Wallingford :},
	url = {http://www.loc.gov/catdir/enhancements/fy0602/97013060-d.html}
}