1. Boyer et al.: 1970, ?Styrene Polymers? in Encyclopaedia of Polymer Science and Technology, Vol. 13, pp. 128?447 (Interscience, New York).
2. Cooper, P.: 1980, ?Styrene and the Chromosome?, B.I.B.R.A. Bull., 19, 6.
3. Coulter et al.: 1971, ?Styrene and Related Monomers? in Vinyl and diene Monomers, Vol. 2, pp. 479?576, Wiley-Interscience, New York.
4. Crompton, T. R.: 1979, ?Polystyrene and its Copolymers? in Additive Migration from Plastics into Food, p. 5, (Pergamon Press, United Kingdom).
5. Farman, J. C., Gardiner, B. G., and Shanklin, J. D.: 1988, ?How Deep is an Ozone Hole?, Nature, 336, 198.