Fluorescence spectra and structure of the difluoro(dibenzoylmethanato)boron monomers and dimers absorbed on silica gel / V.A. Sazhnikov, V.P. Aristarkhov, A.A. Safonov, A.A. Bagatur'Yants, M.V. Alfimov, A.G. Mirochnik, E.V. Fedorenko // High Energy Chemistry. – 2011. – Т. 45. – № 4. – P. 315-319