1. A simple image motion compensating system for solar observations;Tarbell,1981
2. Measurements of characteristics of image motion with a solar image stabilizing device;von der Lühe;Astr. Astrophys.,1988
3. Improved optical stellar image using a real-time phase correcting system;McCall;Astrophys. J.,1977
4. Active Optics in Astronomy;Hardy,1981
5. Solar isoplanatic patch measurements;Hardy,1981