TY - RPRT TI - Optical range and range rate estimation for teleoperator systems AU - Shields, N. L., Jr. AU - Kirkpatrick, M., III AU - Malone, T. B. AU - Huggins, C. T. PY - 1974 UR - https://ntrs.nasa.gov/citations/19750035639 ID - 19750035639 ER -