@misc{indiciae0aa3eecf8d23, title = {Implementation of a Low-Thrust Trajectory Optimization Algorithm for Preliminary Design}, author = {Sims, Jon A. and Finlayson, Paul A. and Rinderle, Edward A. and Vavrina, Matthew A. and Kowalkowski, Theresa D.}, year = {2006}, url = {https://ntrs.nasa.gov/citations/20070032861}, note = {Source identifier: 20070032861} }