1. ‘Interactive graphics and dynamical simulation in a distributed processing environment’, Masters Degree Thesis Report, Systems Research Center, University of Maryland, College Park, MD 20742, 1990.
2. and , ‘Progress on the dynamical simulation of rigid bodies’, Unpublished Report, Systems Research Center, 1987.
3. Lie-Poisson structures, dual-spin spacecraft and asymptotic stability
4. , and , ‘Symmetry, stability, geometric phases, and mechanical integrators’, Department of Applied Mathematics, Cornell University, 1990 preprint.
5. ‘Symplectic geometry and numerical methods in fluid dynamics’, Proc. 10th Int. Conf. Num. Methods in Fluid Mechanics, Springer Lecture Notes in Physics, Vol. 264, Beijing, 1986.