Terms sourced from: 10.1351/pac198860091449
"Nomenclature, symbols, units and their usage in spectrochemical analysis - VII. Molecular absorption spectroscopy, ultraviolet and visible (UV/VIS) (Recommendations 1988)", Laqua, K.;Melhuish, W.H.;Zander, M., Pure and Applied Chemistry 1988, 60(9), 1449