@misc{indiciae956fb55f82d8, title = {Ultra-high, resolution, modular optical angle encoder for space-based opto-mechanical applications}, author = {Luther, Holger and Beard, Paul and Mitchell, Donald and Thorburn, William}, year = {1995}, url = {https://ntrs.nasa.gov/citations/19950020850}, note = {Source identifier: 19950020850} }