%0 Journal Article %T Dipole-dipole and exchange energy transfer in different types of porphyrin chemical dimers %A A Chernook %A A Shula£¿£¿ga %A E Sagun %A E Zenkevich %A G Gurinovich %J - %D 1995 %U https://www.ias.ac.in/describe/article/jcsc/107/06/0795-0802