1. Porphyrin Handbook;Kobayashi,1999
2. Electronic Spectra of Phthalocyanines and Related Compounds;Luk'yanets,1989
3. Phthalocyanines-Properties and Applications;Kobayashi,1993
4. Phthalocyanines-Properties and Applications;Kobayashi,1996
5. Phthalocyanines