TY - RPRT TI - Active rejection of persistent disturbances in flexible space structures AU - Hwang, Cheng-Neng AU - Jayasuriya, Suhada AU - Parlos, Alexander G. AU - Sunkel, John W. PY - 1990 UR - https://ntrs.nasa.gov/citations/19900060627 ID - 19900060627 ER -