@misc{indiciae350399703e27,
  title = {High-temperature LM cathodes for ion thrusters Summary report, 1 Jun. 1966 - 31 Jul. 1967},
  author = {Arnold, K. W. and Eckhardt, W. O. and Hagen, G. and Hyman, J., Jr. and Knechtli, R. C. and Synder, J. A.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680010652},
  note = {Source identifier: 19680010652}
}