@book{32420,
	author = {Lenk, Ron., and Lenk, Carol.,},
	title = {Practical lighting design with LEDs /},
	publisher = {IEEE Press,},
	year = {c2011.},
	series = {IEEE Press series on power engineering},
	address = {Piscataway, NJ :},
	url = {http://catalogimages.wiley.com/images/db/jimages/9780470612798.jpg}
}