Whittaker, E. T. S. n. 1., & Whittaker, E. T. S. n. 1. (1944). A Treatise on the analytical dynamics of particles and rigid bodies: With an introduction to the problem of tree bodies (4. edition.). New York, New York: Dover.

Whittaker, Edmund Taylor Sir n. 1873, and Edmund Taylor Sir n. 1873 Whittaker. A Treatise On the Analytical Dynamics of Particles and Rigid Bodies: With an Introduction to the Problem of Tree Bodies. 4. edition. New York, New York: Dover, 1944.

Whittaker, Edmund Taylor Sir n. 1873, and Edmund Taylor Sir n. 1873 Whittaker. A Treatise On the Analytical Dynamics of Particles and Rigid Bodies: With an Introduction to the Problem of Tree Bodies. 4. edition. New York, New York: Dover, 1944.