1. A Gravity-Gradient Satellite Experiment at Synchronous Altitude;Fischell,1967
2. Stabilite - A three-axis attitude control system utilizing a single reaction wheel;Perkel,1966
3. Precision attitude control for the Improved TIROS;Keigler,1967
4. Satellite attitude control utilizing the earth's magnetic field;White,1961
5. ARNESSENW.T. -CLARK J.P.C. Magnetic attitude control for synchronous satellites. I.E.E.E. trans. on Automatic Control, vol. AC13, 550-554