1. The drag-free satellite;Lange;AIAA Journal,1964
2. Zero-G devices and weightlessness simulators;Gerathewohl;National Academy of Sciences—National Research Council Publication,1961
3. An intermittent orbit sustanining technique;Roberson;Acta Astronautica,1962
4. Theory and Application of Distributed Satellite;Zhang,2008
5. Managing spherical proof masses in a drag-free satellite with application to the LISA mission;Lange;Class Quantum Gravity,2001