Staab, Heinz A. Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/(SICI)1099-0690(199804)1998:4%3C631::AID-EJOC631%3E3.0.CO;2-6/epdf (Any fulltext)
Staab, H. A., Hauck, R., & Popp, B. (1998). Distance dependence of photoinduced electron transfer: syntheses and properties of anthracene-spacered porphyrin-quinone cyclophanes. European Journal of Organic Chemistry, 1998(4), 631-642. doi:10.1002/(SICI)1099-0690(199804)1998:4<631:AID-EJOC631>3.0.CO;2-6.