@book{15378,
	author = {Stevenson, F. J. and Cole, M. A.},
	title = {Cycles of soil :},
	publisher = {Wiley,},
	year = {c1999.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/wiley032/99012460.html}
}