This example is a Modelica version of the model publised by J. T. Tyson (1991).
See also
The cell model for further documentation and simulation results.
References
John J. Tyson, "Modeling the Cell Division Cycle: cdc2 and Cyclin Interactions," Proceedings of the National Academy of Sciences of the United States of America, 88(16), 1991, pp. 7328-7332 www.pnas.org/content/88/16/7328.full.pdf