1. La Rocca, A. V., ‘Solid Propellant Electric Thrusters’, AIAA Paper 65-619, Colorado Springs, Colo., 1965.
2. La Rocca, A. V., ‘Solid Propellant Electric Thrusters for Attitude Control and Drift Correction of Space Vehicles’, AIAA Paper 66-229, San Diego, Calif., 1966.
3. La Rocca, A. V., ‘Solid Propellant Electric Thrusters for Space Applications’, XVII International Astronautical Federation Congress, Madrid, Spain, Oct. 9–15, 1966.
4. La Rocca, A. V. and Perkins, G. S., ‘Development of Solid Propellant Electric Thruster Systems for Attitude Control and Station Keeping of Spacecraft’, AIAA Paper 67-661, Colorado Springs, Colo., 1967.
5. La Rocca, A. V. and Malherbe, P., ‘A Development Program for a Solid Propellant Electric Thruster (SPET-A)’, Final Report, JPL Contract 951591, Sept. 1966-Sept. 1967, Jet Propulsion Lab., Pasadena, Calif.