@book{30156,
	author = {Lal, R.},
	title = {Soil processes and water quality /},
	publisher = {Lewis,},
	year = {c1994.},
	series = {Advances in soil science},
	address = {Boca Raton, FL :},
	url = {http://www.loc.gov/catdir/enhancements/fy0744/94013702-d.html}
}