1. J. Song, D.-Y. Xu, G.-S. Qi, Multilevel read-only optical recording methods. Chin. Phys. 15(8), 1788–1792 (2006)
2. N.S. Allen, J.F. Rabek (eds.), New Trends in the Photochemistry (New York, 2007)
3. V. Balzani, P. Ceroni, A. Juris, Photochemistry and Photophysics: Concepts, Research, Applications (Wiley, New York, 2014)
4. N.J. Turro, J.C. Scaiano, Modern Molecular Photochemistry of Organic Molecules (New York, 2010)
5. A. Albini, Photochemistry (Research Press, Champaign, 2011)