Conical Intersections in Charge-Transfer Induced Quenching This work was supported by the Swiss National Science Foundation (Projects 52489.98, 54108.98, and 58000.99), the Fonds der Chemischen Industrie, the Università di Siena (Progetto di Ateneo A.A. 99/00), and NATO (CRG 950748)
Angew Chem Int Ed Engl. 2000 Dec 15;39(24):4582-4586.
doi: 10.1002/1521-3773(20001215)39:24<4582::aid-anie4582>3.0.co;2-4.