1. Spacecraft attitude determination symposium,1969
2. Inertial Guidance;Pitman,1962
3. Performance of strapdown inertial attitude reference systems;Farrell;AIAA Journal Spacecraft Rockets,1966
4. Two approaches to the starmapping problem for space vehicle attitude determination;Gorstein,1969
5. Sub-arc second star sensors, design and fabrication;Carroll,1969