@misc{indiciae60cd690c6127,
  title = {Development of truss type Dyna-Soar glider structure},
  author = {Helper, A. K. and Landry, B. E. and Nelson, M. A.},
  year = {1960},
  url = {https://ntrs.nasa.gov/citations/19720063142},
  note = {Source identifier: 19720063142}
}