@misc{indiciae5a51e997936f, title = {Electrodynamic Tethers for Spacecraft Propulsion}, author = {Johnson, Les and Estes, Robert D. and Lorenzini, Enrico and Martinez-Sanchez, Manuel and Sanmartin, Juan and Vas, Irwin}, year = {1998}, url = {https://ntrs.nasa.gov/citations/19990107381}, note = {Source identifier: 19990107381} }