1. B. H. Soffer and B. B. McFarland, ?Continuously tunable, narrow band organic dye lasers,? Appl. Phys. Lett.,10, 266?267 (1967).
2. O. G. Peterson and B. B. Snavely, ?Stimulated emission from flashlamp excited organic dyes in polymethyl methacrylate,? Appl. Phys. Lett.,12, 238?240 (1968).
3. D. A. Sukhov and F. I. Vilesov, ?Absorption and fluorescence spectra of solutions of anthracene and its methyl derivatives in a polymethyl methacrylate matrix,? Opt. Spektrosk.,34, 200?202 (1973).
4. D. Vronchev and T. Vasil'ev, ?Absorption and luminescence spectra of aurophosphine in polymeric matrices,? Sci. Stud., Plovdiv Univ.,12, 113?117 (1974).
5. Yu. V. Naboikin, L. A. Ogurtsova, A. P. Podgornyi, et al., ?Spectral and energy characteristics of lasers based on organic molecules in polymers and toluol,? Opt. Spektrosk.,18, 974?985 (1970).