@misc{indiciaee97bf6f1e2d0, title = {Conceptual mechanization studies for a horizon definition spacecraft attitude control subsystem, phase A, part II, 10 October 1966 - 29 May 1967}, author = {Hartman, D. J. and Knudtson, H. A., Jr. and Senechal, C. G. and Tesch, E. L. and Tidwell, N. W.}, year = {1967}, url = {https://ntrs.nasa.gov/citations/19670022761}, note = {Source identifier: 19670022761} }