@book{29406,
	author = {Featherstone, Robert and Riojas, Jesse R.},
	title = {Guide to the HVAC/R certification and competency tests /},
	publisher = {Prentice Hall,},
	year = {c2005},
	address = {Upper Saddle River, N.J. :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0416/2004008092.html}
}