@misc{indiciae07d26735dce3,
  title = {Experimental performance of a low-thrust, divergent-flow, contact-ionization electrostatic thrustor},
  author = {Lathem, W. C. and Staggs, J. F.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19680009351},
  note = {Source identifier: 19680009351}
}