@book{4,
	author = {Brown, William Henry, and Poon, Thomas,},
	title = {Introduction to organic chemistry.},
	publisher = {Wiley,},
	year = {c2005,},
	address = {Hoboken, NJ :},
	edition = {3rd ed. /},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/wiley051/2004303132.html}
}