1. Murray, A. W. (1992) Nature 359, 599–604.
2. Murray, A. and Hunt, T. (1993) The Cell Cycle. An introduction. W.H.Freeman & Co., New York. Chapter 8.
3. Alberts, B., Bray, D., Lewis, J., Raff, M., Roberts, K. and Watson, J. D. (1994) Molecular biology of the cell. Garland Publishing, Inc, New York. p. 868.
4. Smythe, C. and Newport, J. W. (1992) Cell 68, 787–797.
5. Enoch, T., Gould, K. L. and Nurse, P. (1991) in The Cell Cycle (Beach, D., Stillman, B. and Watson, J.D. eds.) Vol. LVI, pp. 409–416, Cold Spring Harbor Laboratory Press, Cold Spring Harbor.