@book{156802,
	author = {Helms, Doris R. and Helms, Carl W.},
	title = {Biology in the laboratory :},
	publisher = {W. Freeman and Company,},
	year = {c1998.},
	address = {New York, N.Y. :},
	edition = {3rd edition.},
	note = {La couv. porte : CD-Rom simulations with every book.}
}