1. Phthalocyanines: Properties and Applications, Ed. by C. C. Leznoff and A. B. P. Lever (VCH, New York, 1989), Vol. 1.
2. A. N. Terenin, Photonics of Dye Molecules and Related Organic Compounds (Nauka, Leningrad, 1967) [in Russian].
3. G. P. Gurinovich, A. N. Sevchenko, and K. N. Solov’ev, Spectroscopy of Chlorophyll and Related Compounds (Nauka i Tekhnika, Minsk, 1968) [in Russian].
4. J. H. Sharp and M. J. Lardon, J. Phys. Chem. 72, 3230 (1968).
5. A. T. Vartanyan, G. N. Meshkova, and A. N. Sidorov, Zh. Fiz. Khim. 50, 2674 (1976).