TY - RPRT TI - Improvements to the Copernicus Trajectory Design and Optimization System for Complex Space Trajectories AU - Murri, Daniel G. AU - Condon, Gerald L. AU - Williams, Jacob AU - Kamath, Anubhav H. AU - Eckman, Randy A. AU - Mathur, Ravishankar PY - 2019 UR - https://ntrs.nasa.gov/citations/20190001055 ID - 20190001055 ER -