@misc{indiciae61f80b759e67, title = {Extravehicular activity at geosynchronous earth orbit}, author = {Shields, Nicholas, Jr. and Schulze, Arthur E. and Carr, Gerald P. and Pogue, William}, year = {1988}, url = {https://ntrs.nasa.gov/citations/19890010810}, note = {Source identifier: 19890010810} }