1. R. Hambright, The Porphyrin Handbook, Chemistry of Water Soluble Porphyrins, eds. K. M. Kadish, K. M. Smith and R. Guilard (Academic Press, New York, 2000) p. 129.
2. K. B. Yatsimirskii and Y. D. Lampeka, Physical Chemistry of Metal Complexes with Macrocyclic Ligands (Naukova Dumka, Kiev, 1985) p. 217.
3. B. D. Berezin, Coordination Compounds of Porphyrins and Phthalocyanine (J. Wiley, New York-Toronto, 1981) p. 286.
4. Synthesis and use of ecologically pure metal-containing dyes based on chlorophyll derivatives