@book{15481,
	author = {Foth, H. D.},
	title = {Fundamentals of soil science /},
	publisher = {Wiley,},
	year = {c1990.},
	address = {New York :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/description/wiley0310/90033890.html}
}