Intermediate Classical Dynamics with Applications to Beam Physics (Leo Michelotti). - H. Scott Dumas (SIAM Rev., 1996)

First-Order Averaging Principles for Maps with Applications to Accelerator Beam Dynamics. - H. Scott Dumas; James A. Ellison; Mathias Vogt (SIAM J. Appl. Dyn. Syst., 2004)

Periodic Solutions in Hamiltonian Systems, Averaging, and the Lunar Problem. - Patricia Yanguas; Jesús F. Palacián; Kenneth R. Meyer; H. Scott Dumas (SIAM J. Appl. Dyn. Syst., 2008)