1. Laskowski, M., Sr (1967), Adv. Enzymol., 29, 165.
2. Barnard, E. A. (1965), Annu. Rev. Biochem., 38, 677.
3. Grossman, L. and Moldave, K. (eds) (1980), Methods Enzymol. 65.
4. Laskowski, M. (1971), The Enzymes (3rd edn) (ed. P. D. Boyer), Academic Press, New York, Vol. 4, p. 289.
5. Dingwall, C., Lomonossoff, G. P. and Laskey, R. A. (1981), Nucleic Acids Res., 9, 2659.