1) E. Clar, “Polycycljc Hydrocarbons,” Academic Press, London (1964).
2) P. N. Rylander, “Catalytic Hydrogenation over Platinum Metals,” Academic Press, New York (1967).
3) “Participate Polycyclic Organic Matter,” ed by Committee on Biologic Effects of Atmospheric Pollutants, National Research Council, National Academy of Sciences, Washington (1972), translated into Japanese by N. Ishinishi and Y. Kodama, Tokyo Kagaku Dozin, Tokyo (1981).