@book{2826,
	author = {Herren, Ray V.},
	title = {The science of agriculture :},
	publisher = {Delmar Thomson Learning,},
	year = {c2002.},
	address = {Albany, NY :},
	edition = {2nd ed.},
	note = {Includes index},
	url = {http://www.loc.gov/catdir/enhancements/fy1103/00063846-b.html}
}