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1.Ramazan Öztürk; Sadik Güner; Bekir Akta; Ahmet Gül
Supramolecular Chemistry, 2005 Vol.17, Iss. 3, p. 233 - 241
Synthesis, Characterization and EPR Studies of Supramolecular Porphyrazines
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http://dx.doi.org/10.1080/10610270412331337295 2. Jian Wan, Yanliang Ren, Jianming Wu, and Xin Xu
J. Phys. Chem. A 2004 Vol.108 Iss.43, P. 9453 -9460.
Time-Dependent Density Functional Theory Investigation of Electronic Excited States of Tetraoxaporphyrin Dication and Porphycene
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http://dx.doi.org/10.1021/jp047219a