ICCD speckle observations of binary stars. XIII. Measurements during 1989-1994 from the cerro tololo 4 M telescope

1. Hartkopf, W.I.
2. Mason, B.D.
3. McAlister, H.A.
4. Turner, N.H.
5. Barry, D.J.
6. Franz, O.G.
7. Prieto, C.M.