@book{1216,
	author = {Umland, Jean B.},
	title = {General chemistry:Supplement sampler to accompany},
	publisher = {West Group,},
	year = {1993.},
	address = {New York},
	edition = {Instructor's Annotated Edition.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0314933859/chopaconline-20}
}