@misc{indiciae6aa67060f560, title = {Initial performance improvements due to design modifications for the Pointing Control System on the Hubble Space Telescope}, author = {Nurre, G. S. and Sharkey, J. P. and Waites, H. B.}, year = {1991}, url = {https://ntrs.nasa.gov/citations/19930031608}, note = {Source identifier: 19930031608} }