@misc{indiciae41108d80f381, title = {The evolutionary development of high specific impulse electric thruster technology}, author = {Sovey, James S. and Hamley, John A. and Patterson, Michael J. and Rawlin, Vincent K. and Myers, Roger M.}, year = {1992}, url = {https://ntrs.nasa.gov/citations/19920022098}, note = {Source identifier: 19920022098} }