BlackwellH.R.1963. A general quantitative method for evaluating the visual effectiveness of reflected glare utilizing visual performance data. Illuminating Engineering48:163—216.
3.
BlackwellH.R.1963. A recommended engineering application of the method for evaluating the visual significance of reflected glare. Illuminating Engineering58:217–235.
4.
BlackwellH.R.1963. Visual benefits of polarized light. Journal of the American Institute of Architects:87–92.
5.
BlackwellH.R.1967. The evaluation of interior lighting on the basis of visual criteria. Applied Optics6:1443–67.
6.
BlackwellH.R.1978. Discovery of substantial error in current ESI values for lighting installations involving polarized light. Lighting Design and Application:44–47.