@book{233126,
	author = {Hopkins, William G.},
	title = {Introduction to plant physiology /},
	publisher = {J. Wiley,},
	year = {c1999.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/wiley031/98204805.html}
}