Vandereecken, P., Soumillion, J.-P., Vanderauweraer, M., & Deschryver, FC. (1987). The Photophysics of Alkali Naphtholates - Lifetimes of Contact and Solvent-separated Ion-pairs Present Simultaneously in Weakly Polar-solvents. Chemical Physics Letters, 136(5), 441-446. https://doi.org/10.1016/0009-2614(87)80283-X (Original work published 1987)