@misc{indiciaedd827333c38d,
  title = {Structural concepts for large spacecraft},
  author = {Bush, H. G. and Heard, W. L., Jr. and Walz, J. E.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800010879},
  note = {Source identifier: 19800010879}
}