@book{3216,
	author = {Foth, H. D.},
	title = {Fundamentals of soil science /},
	publisher = {Wiley,},
	year = {c1984.},
	address = {New York :},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/83023383-d.html}
}