@book{1937,
	author = {Carrie, Johanna. and etc.},
	title = {Biology in practice :},
	publisher = {Oxford University Press,},
	year = {1990.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0199142882/chopaconline-20}
}