@misc{indiciaebdf5f0f70b3d,
  title = {Addendum no. 1 to final development report},
  author = {Lienhard, H. and Mallinson, J. C. and Steele, C.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690001125},
  note = {Source identifier: 19690001125}
}