1. Tethers in space-birth and growth: a new avenue to space utilization;von Tiesenhausen;NASA, TM-82571,1984
2. On dynamical formulation of a tethered satellite system with mass transfer;Liu,1985
3. A three-mass tethered system for micro-g / variable-g applications;Lorenzini,1986
4. Attitude dynamics of three-body tethered systems;Misra,1987
5. An optimal momentum management controller for the space station;Sunkel,1989