1. Origin of aromatic character in porphyrinoid systems
2. Comp Coor Chem II , ed. J. A. McCleverty and T. J. Meyer , Pergamon , Oxford , 2003 , vol. 1 , p. 493
3. K. M.Kadish , K. M.Smith and R.Guilard , The Porphyrin Handbook , Academic Press , San Diego, CA , 2003 , vol. 13
4. K. M.Kadish , K. M.Smith and R.Guilard , The Porphyrin Handbook , Academic Press , San Diego, CA , 2003 , vol. 11
5. K. M.Kadish , K. M.Smith and R.Guilard , The Porphyrin Handbook , Academic Press , San Diego, CA , 2003 , vol. 8