@book{19954,
	author = {Abell, Martha L., and Braselton, James P.,},
	title = {Mathematica by example /},
	publisher = {Burlington, MA :},
	year = {c2009.},
	address = {Amsterdam ;},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/toc/fy1002/2008279176.html}
}