@misc{indiciae128e840fb27b,
  title = {Lunar lander mass spectrometer, phase 2 Final report, Apr. 1967 - Dec. 1968},
  author = {Kreisman, W. S.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700002113},
  note = {Source identifier: 19700002113}
}