@misc{indiciaef243c14612d0,
  title = {A series-resonant silicon-controlled-rectifier power processor for ion thrusters},
  author = {Shumaker, H. A. and Biess, J. J. and Goldin, D. S.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730006355},
  note = {Source identifier: 19730006355}
}