Paper  bibtex   

@misc{houser_ies_2017,
	title = {{IES} {TM}-30-15 {Resources} maintained by {Houser}},
	url = {http://www.personal.psu.edu/kwh101/TM30/main.htm},
	language = {en},
	urldate = {2017-10-08},
	author = {Houser, Kevin W.},
	year = {2017},
	keywords = {color},
}