1. Curry, J. H.: Bounded solutions of finite dimensional approximations to the Boussinesq equations. SIAM J. Math. Anal. (to appear)
2. Guckenheimer, J.: A strange attractor. In: Lecture notes in applied mathematical sciences, Vol. 19, pp. 368–391. Berlin-Heidelberg-New York: Springer 1976
3. Joseph, D. D.: On the stability of the Boussinesq equations. Arch. Rat. Mech. Anal.20, 59–71 (1965)
4. Kaplan, J., Yorke, J. A.: Preturbulence: A metastable regime in the system of Lorenz. Preprint (1976)
5. Lanford, O. E. III: Qualitative and statistical theory of dissipative systems. Preprint (1977)