@misc{indiciaec2954b1de774,
  title = {LABORATORY. VOLUME I, NUMBERS 12-13},
  author = {Hartmann, W. K. and Kuiper, G. P. and Middlehurst, B. and Whitaker, E. A.},
  year = {1962},
  url = {https://ntrs.nasa.gov/citations/19620006619},
  note = {Source identifier: 19620006619}
}