@book{8986,
	author = {Chatfield, Christopher.},
	title = {Problem solving :},
	publisher = {Chapman & Hall,},
	year = {1995.},
	series = {Chapman & Hall texts in statistical science series},
	address = {London ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0646/94074702-d.html}
}