@book{22523,
	author = {Radcliffe, David Elliott,},
	title = {Modeling phosphorus in the environment /},
	publisher = {CRC Press,},
	year = {c2007.},
	address = {Boca Raton :},
	url = {http://www.loc.gov/catdir/toc/fy0707/2006049391.html}
}