@book{1807,
	author = {Applin, David},
	title = {Biology },
	publisher = {Nelson Thornes,},
	year = {1994.},
	series = {Key science.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0748716769/chopaconline-20}
}