@misc{indiciae0d96818648af,
  title = {Development and testing of a lightweight flight prototype ion engine system.},
  author = {King, H. J. and Kovar, D. G. and Molitor, J. H. and Muldoon, W. J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670048094},
  note = {Source identifier: 19670048094}
}