Intensity distribution in the phosphorescence spectrum of crystalline benzophenone Babkov, L. M. ; Kovner, M. A. ; Melnik, V. I. ; Puchkovskaya, G. A. ; Kharchenko, N. P. ; Shpak, M. T. Abstract Publication: Optics and Spectroscopy Pub Date: September 1975 Bibcode: 1975OptSp..39..340B