@book{4854,
	author = {Plaster, Edward J.},
	title = {Soil science & management /},
	publisher = {Delmar, Cengage Learning,},
	year = {c2014.},
	address = {Clifton Park, NY :},
	edition = {6th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1311/2012938489-b.html}
}