@book{220,
	author = {Morrison, Robert Thornton. and Boyd, Robert Neilson.},
	title = {Organic chemistry /},
	publisher = {Allyn and Bacon},
	year = {1966},
	address = {Boston},
	edition = {2th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/8120307658/chopaconline-20}
}