Triplet-triplet energy transfer and heteroannihilation of triplet molecules of eosin and anthracene on a silica surface Bryukhanov, V. V. ; Ketsle, G. A. ; Regir, K. F. ; Runov, V. K. ; Smagulov, Zh. K. Abstract Publication: Optics and Spectroscopy Pub Date: April 1989 Bibcode: 1989OptSp..66..546B