@book{26362,
	author = {Martin, David Jerner.},
	title = {Elementary science methods :},
	publisher = {Wadsworth, Cengage Learning,},
	year = {c2012.},
	address = {Belmont, CA :},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1303/2011920545-b.html}
}