@misc{indiciae2b3b8871caf7, title = {Preliminary Design Considerations for Access and Operations in Earth-Moon L1/L2 Orbits}, author = {Folta, David C. and Pavlak, Thomas A. and Haapala, Amanda F. and Howell, Kathleen C.}, year = {2013}, url = {https://ntrs.nasa.gov/citations/20160000801}, note = {Source identifier: 20160000801} }