TY - RPRT TI - Implementation of a Low-Thrust Trajectory Optimization Algorithm for Preliminary Design AU - Sims, Jon A. AU - Finlayson, Paul A. AU - Rinderle, Edward A. AU - Vavrina, Matthew A. AU - Kowalkowski, Theresa D. PY - 2006 UR - https://ntrs.nasa.gov/citations/20070032861 ID - 20070032861 ER -