@book{32398,
	author = {Schmidt, Jürgen,},
	title = {Soil erosion :},
	publisher = {Springer,},
	year = {c2000.},
	series = {Environmental science,},
	address = {Berlin ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0815/00027989-d.html}
}