"An Electron Spin Resonance Investigation of the Products of the Friedel-Crafts Reaction of Sulfur Dioxide with Methylnaphthalenes", Bakker et al., J. Chem. Soc. (PT II) 1986; 1735-1741. |
"Fluorescence and Absorption Properties of Perylenyl and Perylenoyl Probe Molecules in Solvents and Liquid Crystals", Johansson et al., J. Am. Chem. Soc. (1987) 109: 7374-7381. |
Chemical Abstracts vol. 69, No. 19, Nov. 4, 1968, p. 7104; S. P. Solodovnikov, et al. Abstract #76168. |
Beilsteins Handbuch der Organischen Chemie, vol. 4, Supp. III, 1965, p. E III 5/2538. |