@misc{indiciae3d9d5f36f8da,
  title = {Learning to build large structures in space},
  author = {Hagler, T. and Patterson, H. G. and Nathan, C. A.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780032789},
  note = {Source identifier: 19780032789}
}