@misc{indiciaef3cfb9448eff,
  title = {Experimental tests of a toroidal electrostatic analyzer},
  author = {Young, D. T. and Ghielmetti, A. G. and Shelley, E. G. and Marshall, J. A. and Burch, J. L.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870051875},
  note = {Source identifier: 19870051875}
}