@book{138889,
	author = {Layman, Dale Pierre. and ebrary, Inc.},
	title = {Biology demystified},
	publisher = {McGraw-Hill,},
	year = {2003.},
	address = {New York :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10152980}
}