Coleman, K. D. and Fowler, A. C. (1984) A mathematical model of exoprotein production in bacteria. IMA J. Math. Appl. Med. Biol., 1 . pp. 77-94.

Fowler, A. C. and McGuinness, M. J. (1984) On the nature of the torus in the complex Lorenz equations. SIAM J. Appl. Math., 44 . pp. 681-700.