18. Lund, D.J., et al., A Computerized Approach to Transmission and Absorption Characteristics of the Human Eye, in CIE 203:2012. 2012, International Commission on illumination. p. 68.

18. Lund, D.J., et al., A Computerized Approach to Transmission and Absorption Characteristics of the Human Eye, in CIE 203:2012. 2012, International Commission on illumination. p. 68.