Besson, JE., Veillas, G., Michoudet, C., & Kopp, N. (1987). The Choice of the Wavelengths in Spectral-analysis - An Application To Determine the Composition of a Tetraribonucleotide Mixture. Journal of Biochemical and Biophysical Methods, 15(3-4), 139-146. https://doi.org/10.1016/0165-022X(87)90113-8 (Original work published 1987)