@book{150268,
	author = {Trautmann, Nancy M. and National Science Teachers Association.},
	title = {Assessing toxic risk},
	publisher = {NSTA Press,},
	year = {c2001.},
	series = {Cornell scientific inquiry series},
	address = {Arlington, Va. :},
	edition = {Student ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10240827}
}