@book{116,
	author = {Raven, Peter H.\ and  Johnson, George B.},
	title = {Biology /},
	publisher = {McGraw-Hill, Higher Education,},
	year = { c2002.},
	address = {Boston :},
	edition = {6th ed.},
	note = {Rev. ed. of: Biology /. 6th ed. c2002.},
	url = {http://www.loc.gov/catdir/toc/ecip047/2003016998.html}
}