E-B fluorescence of the I2 molecule under two-photon X-B-E excitation: Structure of the spectrum and intramolecular dynamics Vetchinkin, S. I. ; Umanskii, I. M. ; Popov, A. F. Abstract Publication: Optics and Spectroscopy Pub Date: July 1991 Bibcode: 1991OptSp..71...55V