1. B. D. Berezin and N. S. Enikolopyan, Metalloporphyrins [in Russian], Nauka, Moscow (1988).
2. C. C. Leznoff and A. B. P. Lever, eds., Phthalocyanines: Properties and Applications, Vols. 1–4, VCH Publishers, New York (1989–1996).
3. N. Kobayashi, in: The Porphyrin Handbook, K. M. Kadish et al., eds., Vol. 15, Academic Press, Amsterdam (2000), 161–262.
4. K. Ishii and N. Kobayashi, in: The Porphyrin Handbook, K. M. Kadish et al., eds., Vol. 16, Academic Press, Amsterdam (2000), 1–42.
5. D. Dini and M. Hanack, in: The Porphyrin Handbook, K. M. Kadish et al., eds., Vol. 16, Academic Press, Amsterdam (2000), 1–36.