Embrechts, J.J., Colour rendering and spectral power distribution-a new parametric approach, Ltg. Res. & Technol., 16 (3), 119 (1984).
Embrechts, J.J., Modele de l'influence des parois sur la chromaticite du rayonnement lumineux en espace clos, Lux, 133 (May-June), 5-11 (1985).
CIE Publication no. 40 (TC 1.5), Calculations for interior lighting. Basic Method, Bureau central de la CIE, Paris (1978).
Di Laura, D., On the simplification of radiative transfer calculations, Journal of IES (New York), 12 (October 1982).
British Zonal Method, IES (CIBSE), Technical Report no. 2 (1971) or see Henderson, S.T. and Marsden, A.M., Lamps and Lighting, 405 (Edward Arnold Publishers Ltd., London, 1972).
CIE Publication no. 13.2 (TC 3.2), Method of measuring and specifying colour rendering of light sources, Bureau central de la CIE, Paris (1974).