1. Rogers, E. E.: A Mathematical Model for Predicting the Damping Time of Mercury Damper. U.S. Naval Ordnance Test Station, 1959.
2. Haseltine, W. R.: Passive Damping of Wobbling Satellites. Part I. General Stability Theory and First Examples. NAVORD Report 6579, Part I, 1959.
3. Zaroodny, S., & J.W. Bradley: Nutation Damper — A Simple Two-Body Gyroscopic System. Forthcoming as a BRL report, Aberdeen Proving Ground, Maryland.