@misc{indiciaecfbb1f3c2079,
  title = {Composite beam builder},
  author = {Poveromo, L. M. and Muench, W. K. and Marx, W. and Lubin, G.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810038641},
  note = {Source identifier: 19810038641}
}