1. Beukers, R., J. Ylstra and W. Berends. 1958. The effect of ultraviolet light on some components of the nucleic acids. Rec. Tray. Chim. 77: 729–732.
2. Boyce, R.P. and P. Howard-Flanders. 1964. Release of ultraviolet light-induced thymine dimers from DNA in E. coli K-12. Proc. Nat. Acad. Sci. ( US ) 51: 293–300.
3. Cook, J.S. 1967. Direct demonstration of the monomerization of thymine-containing dimers in U.V.-irradiated DNA by yeast photoreactivating enzyme and light. Photochem. Photobiol. 6: 97–101.
4. Donnellan, J.E., Jr., J.L. Hosszu, R.O. Rahn and R.S. Stafford.
5. Effect of temperature on the photobiology and photochemistry of bacterial spores. Nature 219: 964–965.