@misc{mohr_2010_2011,
	title = {The 2010 CODATA Recommended Values of the Fundamental Physical Constants},
	author = {Mohr, P.J. and Taylor, {B.N.} and Newell, {D.B.}},
	year = {2011},
	howpublished = {{(Web} Version 6.0). This database was developed by J. Baker, M. Douma, and S. Kotochigova. Available: \url{http://physics.nist.gov/constants} {[2012-07-03]} National Institute of Standards and Technology, Gaithersburg, {MD} 20899.}
}

@misc{rainbow_diffract_2012,
	title = {{Diffraction Gratings Slides --- Linear 500 line/mm}},
	author = {{Rainbow Symphony, Inc.}},
	year = {2012},
	howpublished = {Available \url{http://www.rainbowsymphonystore.com/difgratslidl1.html}}
}

@article{stockman_spectral_1993,
	title = {Spectral sensitivities of the human cones},
	author = {Stockman, Andrew and MacLeod, Donald {I.A.} and Johnson, Nancy E.}
}