1. P. B. Merkel and D. R. Kearns, ?Radiationless decay of singlet molecular oxygen in solution,? J. Am. Chem. Soc.,94, 7244?7253 (1972).
2. D. R. Adams and F. Wilkinson, ?Lifetime of singlet oxygen in liquid solution,? J. Chem. Soc., Faraday Trans. II,68, 586?589 (1972).
3. A. A. Krasnovskii, Jr. ?Photoluminescence of singlet oxygen in solutions of chlorophyll and pheophytin,? Biofizika,22, 927?928 (1977).
4. I. M. Byteva, ?Investigation of luminescence of oxygen in solutions by means of pulse spectroscopy,? Zh. Prikl. Spektrosk.,31, 333?335 (1979).
5. K. I. Salokhiddinov, I. M. Byteva, and B. M. Dzhagarov, ?Duration of luminescence of singlet oxygen in solutions with laser excitation,? Opt. Spektrosk.,47, 881?886 (1979).