1. Some representative examples are;Boxer;Am Chem Soc Am Chem Soc Chem SOC Chem Commun Am Chern SOC,1979
2. in;Noblat;New J Chem Am
3. in to be published;Chambron;Chem SOC Chem Commun Am Chem Soc
4. therein Photoinduced electron transfer in multiporphyrin clusters;Deisenhofer;Mol Biol Nature,1984
5. in press;Chambron;Am Chem Soc Chem SOC,1992