E. A. Berkery

On-orbit experience with the HEAO attitude control subsystem

D. P. Hoffman, E. A. Berkery, E. Berkery, 1978 .

Yaw attitude estimation for the Tracking and Data Relay Satellite System

E. A. Berkery, S. Staich, A. L. Cohen, 1984 .

On-orbit control system performance of the HEAO-2 observatory

E. A. Berkery, R. E. Rose, 1979 .