Temperature dependence of the phosphorescence lifetime of nitrobenzopyrans: the role of the lowest triplet state in the reaction of pyran ring openingMONTI, S; ORLANDI, G; KELLMANN, A et al.Journal of photochemistry. 1986, Vol 33, Num 1, pp 81-87, issn 0047-2670Article

A THEORETICAL INVESTIGATION OF THE MECHANISM OF PHOTO-CHROMISM OF CHROMENES AND SPIROPYRANSBARTA M.1978; COLLECT. CZECHOSL. CHEM. COMMUNIC.; CSK; DA. 1978; VOL. 43; NO 12; PP. 3339-3346; BIBL. 26 REF.Article