@book{29706,
	author = {Barber, Stanley A.},
	title = {Soil nutrient bioavailability :},
	publisher = {Wiley,},
	year = {c1984.},
	address = {New York :},
	note = {"A Wiley-Interscience publication."},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/83023331-d.html}
}