@misc{indiciae95796c2f5700, title = {Space Launch Systems Block 1B Preliminary Navigation System Design}, author = {Oliver, T. Emerson and Park, Thomas and Anzalone, Evan and Smith, Austin and Strickland, Dennis and Patrick, Sean}, year = {2018}, url = {https://ntrs.nasa.gov/citations/20180002039}, note = {Source identifier: 20180002039} }